COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Eurocopter SA 360 and SA 365 (Dauphin) Series Helicopters AD/DAUPHIN/26 Amdt 1 Tail Rotor Control Shaft 1/92 Applicability: All model SA 360, 365C, C1, C2, C3, N and FS Helicopters. Requirement: Action in accordance with Aerospatiale SB 05.15 or 05.24, as applicable. Note: D6AC AD 90-204-033(B) refers to SB 05.15 only. Compliance: As specified in the Requirement document. Background: Excessive wear of the tail rotor control shaft bearings could result in loss of tail rotor control. This amendment extends the Requirement to all 365 series helicopters.