COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Beechcraft 55, 58 and 95-55 (Baron) Series Aeroplanes AD/BEECH 55/13 Pneumatic Pressure Regulator 2/69 Applicability: Model 95-D55 fitted with Beech Pneumatic De-icer system and Beech model B5 auto-pilot. Requirement: Action in accordance with Brittain Industries Inc. SB No. 68-1 Revision A. Note: FAA AD 68-14-1 refers. Compliance: Before 1 September 1971.