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/8 Hub Driving Centre - Modification NK
Applicability: All model (c) R184/4-30-4/50, (c) R193/4-30-4/50 and /61.
Document: Dowty Rotol Mod. No. (c) VP 2486 (SB Nos. 61-573A and 61-573B refer). Compliance: Propeller model (c) R184/4-30-4/50.
(a) for hubs which have exceeded 2500 hours total time in service on 30 July 1968 - modify not later than 1 January 1969;
(b) for hubs which have completed less than 2500 hours time in service - modify before exceeding 2500 hours time in service.
Propeller model (c) R193/4-30-4/50 and /61 - before installation following next overhaul completed after 30 July 1968.