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The General Authority of Civil Aviation in Saudi Arabia aims to implement a robust and redundant communication infrastructure to support ATM and ATC data and voice flows. This project will provide simplicity, scalability, and redundancy for all ANS facilities, allowing for the addition of new applications and efficient monitoring of communication facilities.
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General Authority of Civil Aviation Air Navigation Services Kingdom of Saudi Arabia National ANS Network NAN
Goals of Project • Implementation of kingdom wide network to serve all ANS facilities • Support ATM and ATC data and voice flows • Form a single and robust communication infrastructure • Provide redundancy for links and communication hardware • Provide simplicity and scalability of addition of applications • Monitoring communication facilities to identify faults
Present ANS Communication • Individual links for each application • Lack of redundancy at Hardware and link levels • Addition of application requires new circuits and hardware • Delay of lunching of applications due to unavailability of lines
Current Communication Scenario M S FDP Server VCS AMSS AIS Database SITA A/G voice AIS Data AFTN Hotline CPDLC & AOC Flight Data AFTN Terminal VCS AIS Client RCAG FDP Client VGS Individual Leased Lines Dedicated for Each Application
NAN Communication Service M M S S FDP Server GNSS AFTN Terminal VCS AMHS VCS JEDDAH ACC RIYADH ACC Thalès Eurocat Thalès Eurocat AMOS NAN AIS Database FDP Client AFTN Terminal GNSS Mon ER Radar or ADS-B RCAG JDH RCAG RIY VGS D-ATIS AIS Client VCS
Supported Applications • ACC, APP and Tower Hotlines • Air/Ground Voice Communication • AFTN Data • Approach Radar Data • AIS Data • Domestic Search and Rescue Data Flows
New Applications • En-Route RADAR, WAM and ADS-B Surveillance Data Flows • VGS CPDLC and ACARS AOC Data Flows • GNSS Monitoring Stations • Flight Data
Network Topology GACA-HQ PMIA KFIA NAN Backbone KAIA KKIA Remote Sites
NAN Technologies • TCP/IP based applications • IP unicast and multicast routing • Voice communications • Time Division Multiple Access
NAN Monitoring • NAN Monitoring tools provide graphical representation of the NAN and allow monitoring NAN devices and links • Monitoring include: hardware faults, link status, bandwidth utilization and topology changes • NNMC: Located in Jeddah and Riyadh ACC’s and will supervise the whole NAN. • RNMT: Located in other sectors and Jeddah HQ and will monitor sites related to the sector.