COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES DHC-2 (Beaver) Series Aeroplanes AD/DHC-2/19 Amdt 1 Aileron Control Cables - Inspection 10/80 Applicability: All models DHC-2 Mk. II and Mk. III. Document: De Havilland Aircraft of Canada SB No. 2/27, Rev. A. Compliance: Within 100 hours time in service after 30 November 1980. Background: Investigations by the manufacturer have revealed that incorrect rigging tensions are being applied to the non- flexible steel cables in some cases.