COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Eurocopter AS 355 (Twin Ecureuil) Series Helicopters
AD/AS 355/40 Emergency Locator Transmitter Antenna 10/92
Applicability: All AS 355 helicopters, versions E, F, F1 and F2, fitted with a “Jolliet” emergency locator transmitter antenna, not modified per AMS 350A.07.2492 (Eurocopter France Service Bulletin AS 355 No 25.31 dated 30 March 1992).
Requirement: Modify the antenna in accordance with Eurocopter France Service Bulletin AS 355 No 25.33 dated 2 June 1992.
Note: DGAC AD 92-142-045(B) dated 8 July 1992 refers.
Compliance: Within 400 hours time in service from 17 September 1992 or by 1 April 1993, whichever occurs first.
Background: Compliance with this Directive improves the antenna resistance to vibrations and reduces the risk of loss in flight.