COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Propellers - Variable Pitch - Hamilton Standard
AD/PHS/6 Model 23e-50, Barrel Bolt Boss - Modification NK
Applicability: All model 23E-50 propellers.
Document: 1. Hamilton Standard SB No. 122 (Ref. 555); or 2. ANO 107.1.5.3.5.1.
Compliance: Before installation in an aircraft.