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 355/30 Cargo Hook Emergency Manual Control 12/87
Applicability: All AS 355 helicopters with cargo hooks fitted with SIREN S1609-5 release unit P/N 704A41-811-017.
Requirement: Action in accordance with Aerospatiale SB 25.22. Compliance: Hook assy to be modified by 31 January 1988.
Background: A spring unit has been added to this cargo hook electrical release to prevent inadvertent hook operation.