COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beagle B206 Series Aeroplanes AD/BEA 206/1 Rudder Mass Balance 3/66 Applicability: Model B206 Series 1. Requirement: Action in accordance with Beagle SB B206/1 dated 13 December 1965. Compliance: Inspect at intervals not exceeding 100 hours time in service until Beagle Mod. 440 is incorporated.