gaca_gov_sa · executive_regulation · processed · 303 chunks
GACA العربيه العامه للطيران المضني General Authority of Civil Aviation GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES TABLE OF CONTENTS Part 173 - Aeronautical Telecommunication Services SUBPART A - GENERAL § 173.1 Applicability. 3 § 173.3 Restrictions on Aeronautical Telecommunication Service Providers. ……4 § 173.5 Restrictions on Flight Inspection Service Providers. 4 § 173.7 Coordination Requirements. 5 § 173.9 Regional Air Navigation Agreements. 6 § 173.11 Identification Codes and Call Signs. 6 § 173.13 Notification of Aeronautical Facility Information. 7 § 173.15 Information Provided by an Aeronautical Facility. 7 § 173.17 Applicability of the Standards of the International Civil Aviation....8 Organization. § 173.19 Safety Risk Assessment of new system or changes to functional system. ·9 § 173.21 Compliance Matrix. 10 § 173.23 Regulatory Oversight. 11 SUBPART B – PERSONNEL § 173.31 Personnel Requirements. 12 § 173.33 Air Traffic Safety Electronics Personnel (ATSEP) Qualifications. 12 § 173.35 Staffing Levels and Training. 15 § 173.37 Human Performance. 16 SUBPART C – MANUAL REQUIREMENTS § 173.51 General. 17 § 173.53 Manual Contents. 17 § 173.55 Operating and Maintenance Instructions. 19 § 173.57 Documentation. 19 SUBPART D – FACILITIES § 173.71 Radio Navigation Aids. 21 § 173.75 Aeronautical Facility Requirements. 21 § 173.77 Security Program. 23 § 173.79 Periodic Inspection and Testing. 24 § 173.81 Aeronautical Facility Performance. 25 § 173.83 Inspection, Measuring, and Test Equipment. 26 § 173.85 Procedures for the Notification of Aeronautical Facility Information. ……27 § 173.87 Aeronautical Facility Check after Accident or Incident. 27 § 173.89 Facility Malfunction Incidents. 27 § 173.91 Spare Parts. 28 Page 1 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED VERSION 7.0 Consult the GACA website for current version GACA العربيه العامه للطيران المضني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES SUBPART E – OPERATING REQUIREMENTS § 173.101 Continued Compliance. 29 § 173.105 Temporary Aeronautical Facility. 29 § 173.107 Limitations on Aeronautical Telecommunication Service Providers. …… 30 § 173.109 Changes to Provider’s Organization. 30 SUBPART F – QUALITY ASSURANCE § 173.121 Quality Assurance. 32 SUBPART G – RECORDS AND REPORTS § 173.141 Facility Incident Reports. 34 § 173.143 Records. 34 APPENDIX A TO GACAR PART 173 – COMMUNICATION SYSTEMS 36 APPENDIX B TO GACAR PART 173 – RADIO NAVIGATION SYSTEMS 90 APPENDIX C TO GACAR PART 173 – SURVEILLANCE EQUIPMENT AND……154 SYSTEMS APPENDIX D TO GACAR PART 173 – FLIGHT INSPECTION SERVICE……217 PROVIDERS APPENDIX E TO GACAR PART 173 – SOFTWARE SAFETY ASSURANCE IN ANS…233 EQUIPMENT Page 2 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA الهييه العامه للطيران المضي General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES SUBPART A - GENERAL § 173.1 Applicability. (a) Except as provided in (c) and (d), this part prescribes rules governing— (1) The provision of aeronautical telecommunication services in the Kingdom of Saudi Arabia (KSA) by an aeronautical telecommunication services provider that holds or is required to hold an Air Navigation Service Certificate (ANSC) under General Authority of Civil Aviation Regulation (GACAR) Part 170; (2) Each person employed or used by an aeronautical telecommunication services provider when providing aeronautical telecommunication services under this part; and (3) Flight inspection service providers who provide flight inspection services under this part. (b) This part also prescribes rules for each air traffic service (ATS) provider authorized under GACAR Part 171 to incorporate certain items in their air traffic service procedures manual (ATSPM). (c) This part does not apply to a person who operates an aeronautical facility on an aeronautical radio frequency and— (1) The aeronautical facility— (i) Is a radio communication transmitter that does not support an air traffic service; or (ii) Is a radio navigation aid that does not support IFR flight or an air traffic service; (iii) Is a surveillance facility that does not support an air traffic service; (2) The aeronautical facility is not operated in accordance with— (i) The applicable system characteristics prescribed in Annex 10, Volume III, Part II, Chapter 2 or Annex 10, Volume I, Chapter 3 to the Convention on International Civil Aviation; and (ii) The applicable communication procedures prescribed in Annex 10, Volume II to the Convention on International Civil Aviation. Page 3 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العامه للطيران المحني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES (3) The aeronautical facility does not interfere with any other aeronautical telecommunication service or aeronautical facility; (4) A radio apparatus license has been granted by the Communications and Information Technology Commission for the aeronautical facility; and (5) An identification code or a call sign has been allocated for the aeronautical facility under GACAR § 173.11. (d) This part does not apply to a person who operates a ground mobile radio on an aeronautical radio frequency and— (1) The radio is not used to support an air traffic service; (2) The radio is operated in accordance with the applicable communication procedures prescribed in Annex 10, Volume II to the Convention on International Civil Aviation; (3) The radio transmission does not interfere with any other aeronautical telecommunication service or aeronautical facility; and (4) A radio apparatus license has been granted by the Communications and Information Technology Commission. § 173.3 Restrictions on Aeronautical Telecommunication Service Providers. (a) No person may provide aeronautical telecommunication services in the KSA unless the person complies with the provisions of this part, and they have been certificated by the President under GACAR Part 170 to provide such service. (b) Except as provided in GACAR Part 170, each aeronautical telecommunication services provider must comply with the limitations and provisions of their certificate, operation specifications and their manual as specified under Subpart C of this Part. (c) No aeronautical telecommunication services provider authorized under this part may operate the following aeronautical telecommunication systems in the KSA: (1) Microwave Landing System (MLS); and (2) Precision Approach Radar (PAR) systems. Page 4 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العالميه للطيران المضني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES § 173.5 Restrictions on Flight Inspection Service Providers. (a) No person may provide a flight inspection service in the KSA unless the person complies with the applicable provisions of this part, they have been certificated by the President under GACAR Part 170 and they have been authorized by the President in accordance with Appendix D requirements to provide such service. (b) Except as provided in GACAR Part 170, each flight inspection service provider must comply with the limitations and provisions of their certificate, operations specifications and their manual prepared under Appendix D to this part. § 173.7 Coordination Requirements. Each aeronautical telecommunication services provider must establish systems and procedures for ensuring effective coordination with each of the following agencies— (a) General Authority of Civil Aviation (GACA); (b) Any other aeronautical telecommunication services provider authorized under this part; (c) Each air traffic service (ATS) provider operating under GACAR Part 171; (d) Each instrument flight procedure service (IFPS) provider operating under GACAR Part 172; (e) Each meteorological service (MET) provider operating under GACAR Part 179; (f) Each aeronautical information service (AIS) provider operating under GACAR Part 175; (g) Each operator of a water aerodrome certified under GACAR Part 137 if the aeronautical telecommunication services provider is operating and maintaining Communication, Navigation, Surveillance (CNS) facilities at the aerodrome; (h) Each operator of a heliport certified under GACAR Part 138 if the aeronautical telecommunication services provider is operating and maintaining Communication, Navigation, Surveillance (CNS) facilities at the heliport; (i) Each operator of an aerodrome certified under GACAR Part 139; Page 5 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العالميه للطيران المضني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES (j) Each search and rescue (SAR) authority; (k) Foreign aeronautical telecommunication services providers and ATS providers in adjoining States or Flight Information Regions (FIR); (1) Aircraft operators; and (m) The Saudi Arabian Armed Forces. § 173.9 Regional Air Navigation Agreements. (a) Each aeronautical telecommunication services provider must coordinate with the GACA when interacting with foreign States or foreign AIS providers, and when there are implications for Regional Air Navigation Agreements for which the KSA is a party. (b) Each aeronautical telecommunication services provider must ensure that any infringement of the Procedures prescribed in ICAO Annex 10 and related to international aeronautical telecommunication services, observed during the operation and maintenance of Communication, Navigation, Surveillance (CNS) facilities, is immediately reported to the President in accordance with the requirements of GACAR Part 4, and must be the subject of direct communication with the concerned parties. § 173.11 Identification Codes and Call Signs. (a) No person may operate— (1) A radio navigation aid, unless it has been allocated an identification code by the President under paragraph (c); (2) A radio communication transmitter on an aeronautical radio frequency other than one operated under GACAR § 173.1(d), unless it has been allocated a call sign by the President under paragraph (c); (3) A primary or secondary surveillance system on an aeronautical frequency and where appropriate an identification code allocated by the President under paragraph (c). (b) An applicant for the allocation of an identification code or a call sign must complete and submit an application in a form and manner acceptable to the President. (c) The President may allocate an identification code for a radio navigation aid/surveillance system Page 6 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED VERSION 7.0 Consult the GACA website for current version GACA العربيه العالميه للطهاران المحليه General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES or a call sign for a radio communication transmitting aeronautical facility if the President is satisfied that the allocation of a code or call sign is not contrary to the interests of aviation safety. § 173.13 Notification of Aeronautical Facility Information. (a) A person operating an aeronautical facility must— (1) Forward to the provider of each AIS authorized under GACAR Part 175— (i) Information on the operational details of the aeronautical facility, for publication in the KSA AIP; (ii) Information concerning any change in the operational status of the aeronautical facility, for the issue of a NOTAM. (2) Check, if applicable, that the information forwarded under paragraph (a)(1) has been accurately published; and (3) Notify the President of any promulgated information incident in accordance with GACAR Part 175. (b) Each aeronautical telecommunication services provider must give notification of the normal hours of service of stations and offices of the international aeronautical telecommunication service under its control to the aeronautical telecommunication agencies designated to receive this information by other concerned Administrations. (c) Whenever necessary and practicable, each aeronautical telecommunication services provider must give notification of any change in the normal hours of service, before such a change is effected, to the aeronautical telecommunication agencies designated to receive this information by other concerned Administrations. Such changes must also, whenever necessary, be promulgated by NOTAM in accordance with the coordination procedures established with the aeronautical information service (AIS) provider certified under GACAR Part 175. (d) When a station of the international aeronautical telecommunication service, or an aircraft operator, requests a change in the hours of service of another station, such change must be requested as soon as possible after the need for change is known. Each aeronautical telecommunication services provider must ensure that the station or aircraft operator requesting the change is informed of the result of its request as soon as possible. Page 7 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العالميه للطيران المضاني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES § 173.15 Information Provided by an Aeronautical Facility. A person operating an aeronautical facility must not permit the facility to continue in operational service if that person suspects or has any cause to suspect that the information being provided by that facility is erroneous. § 173.17 Applicability of the Standards of the International Civil Aviation Organization. (a) In addition to the requirements of Appendix A to this part, communications services, including fixed, mobile and broadcast services, must comply with the applicable Standards and Recommended Practices (SARPs) of ICAO Annex 10 Volume II – Communication Procedures, including those with PANS status, and Volume III – Communication Systems. (b) Each aeronautical telecommunication services provider must provide: (1) services in full compliance with the procedures and the applicable Standards of the International Civil Aviation Organization (ICAO). Specifically, the Standards and Recommended Practices as prescribed in ICAO Annexes 10 & 11, Regional Supplemental Procedures as specified in ICAO Doc. 7030 and Air Traffic Management Procedures as specified in ICAO Doc. 4444 (PANS-ATM). (2) Aeronautical Radio Navigation aids in accordance with the provisions specified in ICAO Annex 10, Volume I including all amendments; (3) International aeronautical telecommunication services in accordance with general procedures specified in Chapter 3 of Annex 10, Volume II. (4) Aeronautical fixed services (AFS) in accordance with the provisions specified in Chapter 4 of Annex 10, Volume II. (5) Aeronautical mobile services —voice communications in accordance with the provisions specified in Chapter 5 of Annex 10, Volume II including all amendments; (6) Aeronautical Broadcasting Services in accordance with the provisions specified in Chapter 7 of Annex 10, Volume II including all amendments; (7) Aeronautical Mobile Services — Data Link Communications in accordance with the provisions specified in Chapter 7 and Chapter 8 of Annex 10, Volume II including all amendments. Digital data communications systems in accordance with ICAO Annex 10 Aeronautical Telecommunications Volume III, Communication Systems Part I – Digital Data Communication Systems including all amendments; (8) Voice Communication Systems in accordance with ICAO Annex 10 Aeronautical Page 8 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العامه للطيران المدني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES Telecommunications Volume III, Communication Systems Part II – Voice Communication Systems including all amendments; (c) Each aeronautical telecommunication services provider must install, maintain and operate a Secondary Surveillance Radar (SSR) used as an aid to air traffic services, in accordance with the provisions of ICAO Annex 10 Aeronautical Telecommunications Volume IV, Surveillance Radar and Collision Avoidance Systems. Note: Where General Authority of Civil Aviation has filed differences to SARPs, these will be published in the Kingdom of Saudi Arabia (KSA) Aeronautical Information Publication (AIP). § 173.19 Safety Risk Assessment of new system or changes to functional system. (a) Each Aeronautical Telecommunication provider planning the deployment of a new system or a change to a functional system must— (1) notify the President prior to the planned deployment or change; (2) provide detailed information on the deployment or change; (3) inform other service providers and, where feasible, aviation stakeholders affected by the planned deployment or change and keep them updated on modifications and related information; (4) publish the appropriate aeronautical information related to the planned deployment or change to ensure that users and stakeholders are aware of this deployment or change and its potential impact on their activities; (5) determine the dependencies of the deployment or change with other internal and external systems; (6) identify the assumptions and risk mitigations related to internal and external systems; (7) ensure that a Safety Risk assessment is carried out using covering the scope of the deployment or change, and the following elements: (i) the equipment, procedural and human elements affected by the deployment or change; (ii) interfaces and interactions between the elements of the deployment or change and other functional systems; (iii) interfaces and interactions between the elements of the deployment or change and the context in which it is intended to operate; (iv) the life cycle of the deployment or change from definition to operations including transition into service; Page 9 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED VERSION 7.0 Consult the GACA website for current version GACA العربيه العامه للطيران المدني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES (v) planned degraded modes of operation during the deployment or change of the functional system; and (vi) provide assurance, with sufficient confidence, via a complete, documented and valid argument that the safety criteria identified are valid, and will be satisfied and will remain satisfied. (b) Each Aeronautical Telecommunication provider must ensure that the safety risk assessment referred to in paragraph (a) comprises— (1) the identification of hazards; (2) the determination and justification of the safety criteria applicable to the deployment or change; (3) the risk analysis of the effects related to the deployment or change considering the types of operations and affected stakeholders; (4) the risk mitigations for the deployment or change such that it can meet the applicable safety criteria; (5) the verification that the assessment corresponds to the scope of the deployment or change and meets the safety criteria; (6) the specification of the monitoring criteria necessary to demonstrate that the service delivered by the deployment or changed functional system will continue to meet the safety criteria. Note: A functional system means a combination of procedures, human resources and equipment, including hardware and software, organised to perform a function within the context of Air Navigation Services. § 173.21 Compliance Matrix. Each aeronautical telecommunication services provider must establish methods, through their Quality Management System processes or otherwise, to: (a) develop a Compliance Matrix against all applicable requirements; (b) ensure that the Compliance Matrix is regularly reviewed and amended where necessary to reflect the current compliance status. (c) submit on annual basis an amended Compliance Matrix to the President. Page 10 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العامه للطيران المدني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES Note: The frequency of review of the Compliance Matrix should be commensurate with the degree of technical and operational, and where appropriate, organisational change that each aeronautical telecommunication services provider is experiencing. The Compliance Matrix may also be used by the services provider to direct internal audit arrangements, to assist with audit scoping and planning and to provide assurance of compliance with minimum regulatory intervention. § 173.23 Regulatory Oversight. Each aeronautical telecommunication services provider must establish methods, through their Quality Management System processes or otherwise, to: (a) Each aeronautical telecommunication services provider and each flight inspection service provider must allow the President to make any regulatory oversight visits i.e., audits and inspections, at any time, to allow the President to determine compliance with this part and applicable ICAO provisions; (b) The scope and conduct of the compliance regulatory oversight activities must be determined, in part, by the statements contained in the Compliance Matrix prescribed under §173.21. Page 11 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA الطبيه العامه للطيران المضي General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES SUBPART B — PERSONNEL § 173.31 Personnel Requirements. Each aeronautical telecommunication services provider must employ, contract, or otherwise engage— (a) A senior person, acceptable to the President, identified for the purposes of this part as the Director of aeronautical telecommunication services, who— (1) Has the authority within the organization to ensure that all activities undertaken by the organization can be financed and carried out to meet applicable operational requirements; (2) Is responsible for ensuring that the organization complies with the requirements of this part; (b) A senior person or persons responsible: (1) to the Director of aeronautical telecommunication services for ensuring that the organization complies with its manual; and (2) for the safe operation of aeronautical facilities that are under the responsibility of the aeronautical telecommunication services provider. (c) Sufficient support staff and qualified technical personnel to install, inspect, supervise, and maintain the facilities listed in the manual; and (d) The senior person or persons required under paragraph (b) must be able to demonstrate competency and experience relevant to the management of safety systems and the activities of the service provider. § 173.33 Air Traffic Safety Electronics Personnel (ATSEP) Qualifications. (a) Each aeronautical telecommunication services provider must ensure that each ATSEP is competent and holds appropriate qualifications to install, operate, maintain, release from, and return into operations equipment of a functional aeronautical telecommunication system. (b) Each aeronautical telecommunication services provider must: Page 12 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العامه للطيران المحتري General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES (1) establish a competency-based training and assessment programme to ensure that each ATSEP is qualified and competent for the assigned functions, duties, and responsibilities; (2) ensure that ATSEP are proficient in the language(s) required to perform their duties taking into account the language requirements related to operating instructions, manuals, and the need to communicate across operational boundaries that require a common language. (c) Each aeronautical telecommunication services provider must ensure that the competency-based training and assessment program is developed in accordance with ICAO PANS-TRG (Doc 9868) and ICAO Manual on Air Traffic Safety Electronics Personnel Competency-based Training and Assessment (Doc 10057) and includes, at least, the following: (1) the training policy and the description of all training activities, environment, methodology, material, scheduling, and the interrelations between different training activities; (2) the description of the minimum qualifications of trainees or required entry levels; (3) the description of knowledge outcome and performance objectives; (4) the description of the qualifications of instructional and competence assessment personnel; (5) routine evaluation of the effectiveness of the training programme that ensure: (i) the training and assessment plans are relevant to the ATSEPs in the specific context and environment to which they may be assigned after training; (ii) the training plan is designed to enable the trainees to meet the interim (if defined) and final competency standards; and (iii) remediation actions are taken if in-training or post-training evaluation indicates a need to do so; (6) sufficient and appropriate practical and on-the-job training to ensure that the competencies appropriate to the exercise of duties are consistently achieved. The practical and on-the-job training must be conducted: (i) under the supervision of an instructor qualified and competent in the technical domain for which the competency will be awarded. (ii) In accordance with the accepted safety management system of the aeronautical telecommunication services provider. (7) the procedures used to manage training and competence assessment records of trainees, Page 13 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED VERSION 7.0 Consult the GACA website for current version GACA العربيه العامه للطيران المدني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES instructors, and competence assessment personnel participating in the training; and (8) the feedback mechanisms used to allow trainees to provide an assessment of the training and competence assessment program. (d) Each aeronautical telecommunication services provider must ensure that ATSEP have successfully completed: (1) the initial and the qualification training. The subjects, topics, and sub-topics of the initial and qualification training must be defined based on ICAO Manual on Air Traffic Safety Electronics Personnel Competency-based Training and Assessment (Doc 10057). (2) the system/equipment training that: (i) is applicable to the duties to be performed and include one or several theoretical, practical courses; and on-the-job training; and (ii) ensure that ATSEP acquire knowledge and skills pertaining to: (A) the functionality of the system and equipment; (B) the actual and potential impact of ATSEP actions on the system and equipment; (C) the impact of the system and equipment on the operational environment. (e) Each aeronautical telecommunication services provider must give each ATSEP a certificate that: (1) Names the ATSEP; (2) Describes the operation and maintenance functions, and duties that the ATSEP is authorized to perform. (3) Describes the types of facility or facilities for which the ATSEP is qualified and authorized to perform those functions, and duties; and (4) States the period during which the certificate is effective and valid. (f) Each aeronautical telecommunication services provider must: (1) Develop a continuation training which comprise periodic and comprehensive refresher training program, equipment/systems upgrades and modifications, and/or emergency training to ensure that each ATSEP maintains the appropriate level of qualifications, knowledge and skills. The established period of the continuation training must not exceed 12 months; (2) Establish, implement and document processes for: Page 14 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العامه للطيران المدني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES (i) assessing the ongoing competence of ATSEP using specific criteria related to knowledge, technical and behavioural skills; (ii) addressing a failure or degradation of ATSEP competence; and (iii) ensuring adequate supervision of personnel who have not been assessed as competent; (3) Maintain proficiency record for each ATSEP showing how often an individual performs maintenance duties on a specific system/equipment, facility and/or lapses in competence on a specific system/equipment. (g) Each aeronautical telecommunication services provider must develop and publish job descriptions for all technical staff assigned to install, operate, maintain, release from, and return into operations equipment of a functional aeronautical telecommunication system. (h) When ATSEP are employed by a contracted organisation, the aeronautical telecommunication services provider must ensure that those ATSEP have received the applicable training and competences defined under this Subpart. (i) The authorised persons who are competent to operate, maintain, release from, and return into operations equipment of a functional aeronautical telecommunication system may be information technology (IT) personnel, technicians, or engineers with maintenance tasks. Note: Personnel that maintain ‘power supply’ and ‘air conditioning’ systems are not considered as ATSEP. In general, ATSEP do not work on these systems, but rather control and manage the release of power supply and air conditioning systems, to and from operational service. § 173.35 Staffing Levels and Training. Each aeronautical telecommunication services provider must – (a) Establish arrangements that define the person responsible and the process to be followed to ensure an adequate number of suitably trained, qualified, and competent staff are available in respect of communication, radio navigation aids, and surveillance facilities installation, operation, maintenance, and routine checks. (b) Define the method by which staffing levels are determined in relation to the maintenance Page 15 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العالميه للطبيه General Authority of Civil Aviation GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES requirements for communication, radio navigation aids, and surveillance facilities and the availability of appropriate engineering facilities. (c) Establish arrangements that define the management responsibilities and process for ensuring adequate staff supervision. Arrangements must include the mechanisms that ensure only trained and competent staff undertakes the maintenance functions of aeronautical telecommunication systems. § 173.37 Human Performance. Each aeronautical telecommunication services provider must ensure that Human Factors and performance are applied in the management of navigation systems. The following activities must be conducted: (a) Mandating Human Factors input to specific tasks/projects within navigation aids technical activities; (b) Raising awareness of Human Factors and initiating Human Factors and performance training across all concerned departments in an appropriate manner; (c) Keeping abreast of developments within Human Factors and performance and applying this knowledge as appropriate; and (d) Considering Human Factors and performance aspects in incident investigation. Note: The main ICAO guidance material on Human Factors and performance includes Human Factor Guidelines for Air Traffic Management (ATM) Systems (Doc. 9758), Manual on Human Performance (HP) for Regulators (Doc 10151), Human Factors Training Manual (Doc 9683), and Human Factors Guidelines for Safety Audits Manual (Doc 9806). Page 16 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA الطبيه العامه للطيران المضي General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES SUBPART C – MANUAL REQUIREMENTS § 173.51 General. (a) This subpart prescribes requirements for each aeronautical telecommunication services provider to prepare and maintain a manual. (b) Additional requirements for ATS providers authorized under GACAR Part 171 to incorporate certain elements into their ATSPM are prescribed in other subparts and appendices of this part. § 173.53 Manual Contents. (a) Each aeronautical telecommunication services provider must provide the President with a manual containing— (1) A statement signed by the Director of aeronautical telecommunication services, on behalf of the organization confirming that— (i) The manual defines the organization and demonstrates its means and methods for ensuring ongoing compliance with this Part; (ii) The manual, and all associated manuals, operating, and maintenance instructions, must be complied with by the organization's personnel at all times. (2) The titles and names of the senior person or persons required under GACAR § 173.31(b); (3) The positions, duties, responsibilities, functions, accountabilities and authority of the senior person or persons in paragraph (a)(2), including matters for which they have responsibility to deal directly with the President on behalf of the organization. Changes in these positions must be subject of safety impact assessment and notified to the President prior to each change. (4) An organization chart showing lines of responsibility of the senior persons in paragraph (a)(2) and covering each location listed under paragraph (a)(7); (5) A summary of the organization's staffing structure at each location listed under paragraph (a)(7); (6) A list of each type of aeronautical facility operated by the aeronautical telecommunication services provider with: (i) A written declaration of conformity or compliance with the applicable requirements of Page 17 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED VERSION 7.0 Consult the GACA website for current version GACA الطبيه العامه للطيران المضني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES ICAO Annex 10, and technical specifications issued by applicable Standards Developing Organizations (SDOs); (ii) Details on the aeronautical facility manufacturer and main components (system and equipment) lifecycle. (7) A summary of the scope of activities at each location where the organization's personnel are based to provide or maintain the types of facilities listed under paragraph (a)(6); (8) A summary of the operational details of each aeronautical facility associated with each location listed under paragraph (a)(7); (9) The detailed procedures required under GACAR § 173.121 regarding internal quality assurance; and (10) The detailed procedures, or an outline of the procedures including information that identifies the documentation that contains the detailed procedures, that are required under— (i) GACAR § 173.33 regarding the competence of personnel; (ii) GACAR § 173.75(a)(1) regarding the design, installation, and commissioning of facilities; (iii) GACAR § 173.75(b) and (c) regarding the operation of temporary facilities for site tests; (iv) GACAR § 173.57 regarding the control of documentation; (v) GACAR § 173.79 regarding periodic inspections and testing of facilities; (vi) GACAR § 173.81 regarding facility performance; (vii) GACAR § 173.83 regarding the control, calibration, and maintenance of inspection, measuring, and test equipment; (viii) GACAR § 173.85 regarding the notification of facility information; (ix) GACAR § 173.87 regarding facility checks after notification of an accident or incident; (x) GACAR § 173.89 regarding facility malfunction incidents; and (xi) Appendix A regarding the identification, collection, indexing, storage, maintenance, and disposal of records. (11) Details on the certified flight inspection service providers contracted to conduct flight inspection activities on behalf of the aeronautical telecommunication services provider; and (12) Detailed procedures to control, amend, and distribute the manual. (b) Each manual, and its revisions, must be acceptable to the President; Page 18 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA الطبيه العامه للطيران المضي General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES (c) Each aeronautical telecommunication services provider must— (1) Ensure that its manual is amended, as required, to remain a current description of the aeronautical telecommunication services provider's organization, services, and facilities; (2) Ensure that any amendments made to its manual meet the applicable requirements of this Part; (3) Comply with the manual amendment procedure contained in its manual; (4) Provide the President with a copy of each amendment to its manual; (5) Make such amendments to its manual as the President may consider necessary in the interests of aviation safety. § 173.55 Operating and Maintenance Instructions. (a) Each aeronautical telecommunication services provider must— (1) Have operating and maintenance instructions that set out the requirements for operating and maintaining each aeronautical facility listed in its manual; (2) Provide the operating and maintenance instructions required under paragraph (1) for the use and guidance of its personnel and the relevant staff of each ATS provider authorized under GACAR Part 171. (b) The operating and maintenance instructions required under paragraph (a)(1) must include— (1) Details of the critical performance parameters for each aeronautical facility; (2) The associated minimum performance levels for those critical performance parameters referred to in paragraph (b)(1); (3) Details of the test equipment required for the measurement of those critical performance parameters referred to in paragraph (b)(1); (4) Details of the mandatory inspections and test procedures for the operational service; (5) Details of the mandatory inspection and test procedures for the operation and maintenance of each aeronautical facility. § 173.57 Documentation. (a) Each aeronautical telecommunication services provider must hold copies of relevant equipment manuals, technical standards, practices, instructions, and any other documentation that are Page 19 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العالميه للطيران المضني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES necessary for the provision and operation of the facilities listed in the manual. (b) Each aeronautical telecommunication services provider must establish a procedure for the control of the documentation required under paragraph (a) and any other applicable GACAR part. (c) The procedure required under paragraph (b) must require that— (1) All documentation is reviewed and authorized by an appropriate senior person referred to in GACAR § 173.31(b) before issue; (2) Each document has a record of amendments and corrigenda; (3) Current issues of all relevant documentation are accessible to staff at all locations if required for the provision and operation of aeronautical facilities; (4) All obsolete documentation is promptly removed from all points of issue or use; (5) Changes to documentation are reviewed and authorized by an appropriate senior person referred to in GACAR § 173.31(b); (6) The current version of each item of documentation can be identified. Page 20 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العالميه للطيران المضني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES SUBPART D – FACILITIES § 173.71 Radio Navigation Aids. (a) Except as provided for in (b), each aeronautical telecommunication services provider must only install and operate radio navigation aids that comply with ICAO Standards and Recommended Practices contained in Annex 10 Volume I which include: (1) The instrument landing system (ILS) including the localizer and glide path sub-systems; (2) The global navigation satellite system (GNSS); (3) The VHF omnidirectional radio range (VOR); (4) The non-directional radio beacon (NDB); (5) The distance measuring equipment (DME); (6) The en-route VHF marker beacon. Note: The VHF omnidirectional radio range (VOR) may be co-located with the distance measuring equipment (DME) or the Tactical Air Navigation System (TACAN). (b) Where a VORTAC facility is operated the relevant ICAO Annex 10 Standards and Recommended Practices relating to DME must be applied to the distance measuring element of the VORTAC which is derived from the associated TACAN, and the facility must comply with the technical specifications for the DME and TACAN specified in Appendix B to this Part; (c) Differences in radio navigation aids in any respect from the technical standards of Appendix B to this part or Standards and Recommended Practices contained in Annex 10 Volume I, Chapter 3 must be approved by the President and published in the KSA AIP. (d) Wherever there is installed a radio navigation aid that is not an ILS, but which may be used in whole or in part with aircraft equipment designed for use with the ILS, full details of parts that may be so used must be published in the KSA AIP. Note. — Guidance material for the application of the standards and recommended practices for ILS, VOR, NDB, and DME are defined in Attachment C to Annex 10, Volume I. § 173.75 Aeronautical Facility Requirements. (a) Each aeronautical telecommunication service provider must establish a procedure to ensure Page 21 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA الطبيه العامه للطيران المضي General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES that— (1) Each aeronautical facility listed in the manual— (i) Is designed, installed, and commissioned to meet the applicable operational specification for that facility; (ii) Conforms with the applicable system characteristics and specification standards prescribed in Appendix A to this part for communications systems, Appendix B to this part for navigation systems and Appendix C to this part for surveillance systems; (iii) Has been allocated an identification code or call sign, if a code or call sign is required under GACAR § 173.11; and (iv) Conforms with all applicable siting and installation requirements prescribed in GACAR Part 139 (Ref. ICAO Annex 14, Chapter 8) for equipment installed on the operational areas of aerodromes. (2) Information on the operational status of each radio navigation aid listed in the manual, that is essential for the approach, landing, and takeoff at an aerodrome, is provided to meet the operational needs of— (i) The air traffic control unit providing an aerodrome control service for that aerodrome while that service is being provided; and (ii) The air traffic control unit providing an approach control service for that aerodrome while that service is being provided. If the approach control service is provided remotely and the information on the operational status of radio navigation services essential for approach, landing and take-off at the aerodrome cannot be provided at the required location, working arrangements between aerodrome control tower and approach control service must be agreed and signed to keep this latter currently informed of the operational status of radio navigation services and visual aids essential for take-off, departure, approach and landing procedures as shown in the monitoring panels or devices installed at the aerodrome control tower. Note.— Guidance material on the application of this requirement in the case of PBN-based operations supported by GNSS is contained in the Performance-based Navigation (PBN) Manual (Doc 9613). (3) Each aeronautical facility listed in the manual is installed with suitable power supplies and means to ensure continuity of operation appropriate to the needs of the air traffic service or Page 22 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العامه للطبيه and المضارع General Authority of Civil Aviation GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES radio navigation service being supported; (4) Each aeronautical facility listed in the manual is installed in accordance with the security program required under the GACA Security Regulations to minimize any risk of destruction, damage, or interference with the operation of the facility; and (5) Any critical site area of any aeronautical facility listed in the manual is— (i) Clearly identified on the site drawings for the aeronautical facility; (ii) Physically protected by suitable signposts on the site; and (iii) Protected by written agreements with the site owner, aerodrome operator, and air traffic control unit, as appropriate, to ensure that site restrictions are not infringed by buildings, fences, vehicles, machinery, or aircraft. (6) All aeronautical telecommunication facilities listed in the manual, including end systems and intermediate systems of the Aeronautical Telecommunication Network (ATN), must be protected from unauthorized direct or remote access. (b) Each aeronautical telecommunication service provider who intends to operate a temporary aeronautical facility to carry out site tests must establish a procedure for conducting those tests. (c) The procedure required under paragraph (b) must require that— (1) The operation of the temporary facility does not cause any interference with any other operating aeronautical facility; (2) Appropriate information regarding the operation of the temporary facility is forwarded to the AIS provider authorized under GACAR Part 175 for the issue of a NOTAM, and if appropriate the publication of a Supplement to the KSA AIP; and (3) An appropriate NOTAM has been published. § 173.77 Security Program. Each aeronautical telecommunication services provider must ensure that the security program for the facilities, listed in the aeronautical telecommunications manual, specify the physical security requirements, practices, and procedures to: (a) be followed for the purposes of minimising the risk of destruction of damage to, or interference with the operation of any aeronautical facility operated under the authority of the service provider; Page 23 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA الطبيه العامه للطيران المضي General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES (b) ensure that each aeronautical facility is always subject to positive access control to prevent unauthorized entry; (c) follow in the event of a bomb threat or other threat of damage to an aeronautical facility; (d) monitor an unattended aeronautical facility building to ensure that any intrusion or interference is immediately detected; (e) monitor, control and record remote access for diagnostics, performance monitoring or software upgrades and limit the privileges of the remote user to prevent inappropriate actions and prevent cyberthreats; (f) notify, investigate and report security incidents in accordance with the applicable national security requirements. § 173.79 Periodic Inspection and Testing. (a) Each aeronautical telecommunication services provider must establish a procedure for the periodic inspection and testing of the aeronautical facilities listed in the manual to verify that each aeronautical facility meets the applicable operational requirements and performance specifications for that facility. (b) The procedure required under paragraph (a) must— (1) Include ground inspections and tests, and if necessary, flight inspections. (2) Include the criteria for establishing or changing the interval between the periodic tests for each aeronautical facility listed in the manual, having regard to— (i) Any applicable information published by ICAO (e.g., Annex 10, Volumes I to V and Doc 8071); (ii) Any applicable reliability data for the aeronautical facility including archived flight inspection data and facility ground monitor correlation documented records; (iii) Information on the proven reliability performance of the aeronautical facility, and of other similar aeronautical facilities, and the stability of the aeronautical facility's operating environment. Page 24 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العامه للطيران المدني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES (3) Ensure that the grounds for establishing or changing the interval between the periodic tests and inspections for each aeronautical facility listed in the manual are documented. (c) Each aeronautical telecommunication services provider must establish— (1) A program of periodic ground inspections for each aeronautical facility listed in the manual; (2) A program of periodic ground tests for each aeronautical facility listed in the manual; (3) A program of periodic flight inspections for each radio navigation aid listed in the manual; (4) Methods used for flight testing of each ATS surveillance system listed in the manual. (d) The programs required by paragraphs (c)(2) and (c)(3) must be based on the criteria required under paragraph (b)(2) and must specify the maximum interval between the inspections for each aeronautical facility. (e) All flight inspections must be performed by a flight inspection service provider who has been authorized by the President under Appendix D to this part. (f) Each aeronautical telecommunication services provider must notify the President of any radio navigation aid that is not subjected to periodic flight inspections. § 173.81 Aeronautical Facility Performance. (a) Each aeronautical telecommunication services provider must establish a procedure to ensure that no aeronautical facility listed in the manual is placed into operational service unless— (1) The person placing the aeronautical facility into operational service has been assessed as competent and authorized according to the procedures required under GACAR § 173.33; (2) The appropriate checks detailed in the operating and maintenance instructions required under GACAR § 173.55 have been carried out to verify the performance of the aeronautical facility; (3) The aeronautical facility record has been completed according to the procedures required under GACAR § 173.143. (b) Each aeronautical telecommunication services provider must: (1) collect and analyse information regarding the performance of systems of aeronautical facility, operation and maintenance, including unusual transmission phenomena; Page 25 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العامه للطيران المدني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES (2) take immediate remedial actions on identified adverse trends and deficiencies; and (3) report any facility malfunction resulting in degradation or loss of services or functions in accordance with the requirements of GACAR Part 4. § 173.83 Inspection, Measuring, and Test Equipment. (a) Each aeronautical telecommunication services provider must ensure that appropriate inspection, measuring, and test equipment is available for personnel to maintain the operation of each aeronautical facility listed in the manual. (b) Each aeronautical telecommunication services provider must establish a procedure to control, calibrate, and maintain all the inspection, measuring, and test equipment required under paragraph (a) to ensure that each item of equipment has the precision and accuracy that is necessary for the measurements and tests to be performed. (c) The procedure required under paragraph (b) must require that each item of test equipment required for the measurement of critical performance parameters is— (1) Calibrated before use or at prescribed intervals with the calibration traceable to an appropriate national standard; (2) Identified with a suitable indicator to show its calibration status; (3) Controlled to— (i) Safeguard against adjustments that would invalidate the calibration setting; (ii) Ensure that the handling, preservation, and storage of the test equipment is such that its accuracy and fitness for use is maintained. (d) If hardware and software systems are used for the performance testing of any aeronautical facility, the procedures under paragraph (b) must require the functions of those testing systems to be checked— (1) Before being released for use; and (2) At prescribed intervals to establish that those testing systems are capable of verifying the true performance of the aeronautical facility. Page 26 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA الطبيه العامه للطيران المضي General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES § 173.85 Procedures for the Notification of Aeronautical Facility Information. (a) Each aeronautical telecommunication services provider must establish a procedure to ensure that the requirements of GACAR § 173.13 are met for each applicable aeronautical facility listed in the manual. (b) The procedure required under paragraph (a) must include a means to confirm that— (1) The operational details of the aeronautical facility as notified to the AIS provider have been accurately published in the KSA AIP; and (2) Any change to the operational status of the aeronautical facility has been published by NOTAM. § 173.87 Aeronautical Facility Check after Accident or Incident. (a) Each aeronautical telecommunication services provider must establish a procedure to check and accurately record the operating condition of any aeronautical facility they operate that may have been used by an aircraft, or an air traffic service, that is involved in an accident or incident. (b) The procedure required under paragraph (a) must require that— (1) The check of the aeronautical facility's operating condition is carried out as soon as practicable after notification to the aeronautical telecommunication services provider of the accident or incident; (2) The record of that check, and the recorded history of the aeronautical facility, is kept in a secure place for possible use by any subsequent accident or incident investigation; and (3) The records required to be secured under paragraph (b)(2) are retained for 3 years from the date of the last entry made on that record. § 173.89 Facility Malfunction Incidents. Each aeronautical telecommunication services provider must establish procedures— (a) To notify, investigate, and report facility malfunction incidents in accordance with the requirements of GACAR § 173.141; and Page 27 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العالميه للطهاره المحليه General Authority of Civil Aviation GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES (b) To implement corrective actions to eliminate the cause of a facility malfunction incident and prevent its recurrence. § 173.91 Spare Parts. Each aeronautical telecommunication services provider must ensure that an adequate stock of spare parts is available for use all the time for the critical components of the facilities supporting the ATS systems. This stock must be stored and managed in accordance with supplier/manufacture requirements. Page 28 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED Consult the GACA website for current version VERSION 7.0 GACA العربيه العالميه للطهاره المختيه General Authority of Civil Aviation GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES SUBPART E — OPERATING REQUIREMENTS § 173.101 Continued Compliance. Each aeronautical telecommunication services provider must— (a) Continue to meet the standards and comply with the requirements of this part; (b) Comply with all procedures referred to in its manual; (c) Hold at least one complete and current copy of its manual at each location listed in its manual where a senior person is based; and (d) Make each applicable part of its manual available to personnel who require those parts to carry out their duties. § 173.105 Temporary Aeronautical Facility. If a temporary aeronautical facility is operated for the purpose of site tests, experiments or trials, the aeronautical telecommunication services provider: (a) must ensure that the facility is compliant with applicable ICAO Standards and procedures and that the frequency used will not cause interference to other facilities; (b) must take of all possible precautions, such as the choice of frequency and of time, and the reduction or, if possible, the suppression of radiation. (c) must ensure any harmful interference resulting from tests and experiments is eliminated as soon as possible. (d) is not required to comply with any requirements of this part, except for GACAR § 173.1(c) (2) and § 173.75(b) and (c). Page 29 GACAR Part 173 UNCONTROLLED DOCUMENT WHEN DOWNLOADED VERSION 7.0 Consult the GACA website for current version GACA العربيه العالميه للطيران المضاني General Authority of Civil Aviation [Non-Text] GACAR PART 173 – AERONAUTICAL TELECOMMUNICATION SERVICES § 173.107 Limitations on Aeronautical Telecommunication Service Providers. (a) Except for the operation of a temporary aeronautical facility for site tests according to the procedures required under GACAR § 173.75(b), each aeronautical telecommunication services provider may not permit an aeronautical facility to continue in operational service under this part if they have any cause to suspect the integrity of the information being provided by the facility. (b) Each aeronautical telecommunication services provider may not operate a radio transmitting aeronautical facility on an aeronautical radio frequency except under a radio apparatus license granted by the Communications, Space and Technology Commission for the facility. (c) Except when a site test is carried out according to the procedures required under GACAR § 173.75(b), each aeronautical telecommunication services provider may not operate an aeronautical facility unless— (1) The aeronautical facility is listed in the certificate holder's manual; (2) The performance of the aeronautical facility meets the applicable information published for that facility under GACAR § 173.13; (3) The performance of the aeronautical facility meets the applicable requirements in GACAR § 173.75(a); (4) Any integrity monitoring system for the aeronautical facility is fully functional; and (5) All the periodic tests for the aeronautical facility are completed according to the programs established under GACAR § 173.79(c). § 173.109 Changes to Provider's Organization. (a) Each aeronautical telecommunication services provider must apply and obtain prior acceptance by the President if they propose to change any of the following— (1) The Direct …(412,465 more chars)