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

1 GeneralAIRWORTHINESS NOTICE NO. 27APPENDIX NO. 1CODING AND REGISTRATION OF HONG KONG 406 MHz ELTsIssue 330 May 20071.1 This is to provide information to Hong Kong operators on how to comply withthe requirements that all 406 MHz ELTs installed on aircraft are to beregistered with the Civil Aviation Department. In Hong Kong, 406 MHzELT register is maintained by:Airworthiness OfficeFlight Standards and Airworthiness DivisionCivil Aviation Department10/F, Commercial BuildingAirport Freight Forwarding Centre2 Chun Wan RoadHong KongTel: (852) 2769 7641Fax: (852) 2362 4250Register information regarding the ELTs will be updated immediately andmake it available for our Search and Rescue (SAR) Section.1.2 In addition to ICAO Annex 10, further information related to 406 MHz ELTsmay be obtained from the Cospas-Sarsat system documents which areavailable to be downloaded from their website at http://www.cospas-sarsat.org.The documents that are felt to be of prime interest are:2 Codinga) G.003 – Introduction to the C-S System;b) G.005 – Guidelines on 406 MHz Beacon Coding, Registration andType Approval; andc) S.007 – Handbook of Regulations on 406 MHz and 121.5 MHzBeacons.2.1 Each message sent by a 406 MHz ELT must include the unique identificationof the ELT. The complete ELT identification code includes protocol flag,protocol code, country code and identification data.AN-27A1 P.130 May 2007