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/16 Amdt 1 Inspection of Hub Driving Centres for NK Incorrect Machining During Modification Applicability: All model (c) R175/4-30-4/13E, (c) R193/4-30-4/50 and /61. (c) R257/4-30-4/60. (Fokker F27). (c) R184/4-30-4 /50. (Gulfstream). (c) R186/4-30-4/16 or 16/1. (Argosy 100 and 200). (c) R212/4-30-4/22/1 (Argosy 222) incorporating Mod. No. (c) VP 2486; or (c) VP 2381. Document: 1. Dowty Rotol SB No. 61-858, Rev. 1, or as applicable; or 2. Dowty Rotol SB No. 61-857, Rev. 1. Compliance: As detailed in the requirement document.