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31 July 2011 C1 CIVIL AVIATION DEPARTMENT HONG KONG ...

31 July 2011 C1 CIVIL AVIATION DEPARTMENT HONG KONG ...

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<strong>CIVIL</strong> <strong>AVIATION</strong> <strong>DEPARTMENT</strong><strong>HONG</strong> <strong>KONG</strong>, CHINAAirworthiness NoticeNo. 102FIssue 3<strong>31</strong> <strong>July</strong> <strong>2011</strong>THIS NOTICE GIVES DETAILS OF A MANDATORY ACTIONAUTOMATIC DEPENDENT SURVEILLANCE BROADCAST (ADS-B) OUT1. ApplicabilityThis Airworthiness Notice is applicable to all Hong Kong registered aeroplanes of morethan 5700 kg MTWA issued with a Certificate of Airworthiness.2. Introduction2.1 Automatic Dependent Surveillance Broadcast (ADS-B) is a surveillance systemthat uses Global Navigation Satellite System (GNSS), aircraft avionics, andground infrastructures to accurately and quickly transmit flight informationbetween aircraft and Air Traffic Services or between aircraft and aircraft.2.2 ADS-B is a technology that enables the automatic broadcast of aircraft identity,present position, altitude, and other parameters. These transmissions are made athalf-second intervals on a line-of-sight radio datalink. The position and altitudeare derived from a GNSS receiver and pressure altitude encoder respectivelycarried onboard the aircraft.2.3 ADS-B is now being introduced around the world. Numerous trials have proventhe potential and benefit of ADS-B. ADS-B can be used to support theapplication of 5NM separation minimum by ATC for enroute and terminaloperations similar to radar.2.4 The ICAO Asia-Pacific Air Navigation Planning and Implementation RegionalGroup (APANPIRG) has decided to use the 1090MHz (Mode S) ExtendedSquitter datalink for automated aircraft reports in the Asia-Pacific Region. ICAOhas also issued a number of technical and operational standards to support itsintroduction.AN-102F P.1<strong>31</strong> <strong>July</strong> <strong>2011</strong>

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