COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 107 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Propellers - Variable Pitch - De Havilland
AD/PDH/7 Barrel Support Blocks - Modification 3/68
Applicability: All model PD136/212/1, PD170/212/1 and PD175/212/1 propellers fitted to DH114 aircraft.
Document: Hawker Siddeley MNS Series 2 BCS No. 87 (Mod. No. 29104).
Compliance: Before installation in an aircraft following next overhaul completed after 21 March 1968.