COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Propellers - Variable Pitch - Dowty Rotol
AD/PR/13 Pitch Lock Assembly - Modification NK
Applicability: All model (c) R184/4-30-4/50 (Gulfstream) and model (c) R193/4-30-4/50 and -4/61 (Fokker F.27).
Document: Dowty Rotol SB No. 61-764, Rev. 1. (Mod. No. (c) VP 2774).
Compliance: Before installation in an aircraft following next overhaul completed after 30 June 1971.