COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Percival Vega Gull Series Aeroplanes AD/GULL/2 Rear Fuselage Drain Holes 9/71 Applicability: All models. Document: 1. Percival Mod. No. 210; or 2. ANO 105.1.26.0.2.2. Compliance: Forthwith.