COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES DH 104 (Dove) Series Aeroplanes AD/DH 104/24 Flap Datum Hinge Safety Washer - Inspection 6/70 Applicability: All models. Document: Hawker Siddeley TNS CT(104) No. 218. Compliance: Forthwith.