COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Propellers - Fixed Pitch
AD/PFP/4 Fairey Metal Propellers Prop NK Retaining Nut - Inspection
Applicability: All Fairey metal propellers.
Requirement: Check the propeller hub retaining nuts for tightness.
Compliance: Within 5 hours time in service after each installation and there-after at intervals not exceeding 100 hours time in service.