COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters
AD/BELL 206/31 Main Transmission - Modification 2/71
Applicability: All models with transmission P/N 206-040-002-5 not incorporating the five modifications described in SL 206A-159.
Document: Bell SB No. 206A-17, Part II.
Compliance: Before installation in an aircraft following next overhaul completed after 31 December 1970.
Background: AD/Agusta 206/22 equivalent.