COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Sikorsky S-76 Series Helicopters
AD/S-76/37 Engine Fire Extinguisher Harness - Modification 4/85 Applicability: All model S-76A fitted with fire extinguisher harness P/Nos 76552-10128-041/042. Requirement: Sikorsky Alert Service Bulletin No. 76-26-1.
Compliance: Within 100 hours time in service after 30 April 1985.
Background: System redundancy is improved by wiring the dual fire extinguisher primers in parallel.