COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Agusta A109 Series Helicopters AD/A109/21 Aircruiser Emergency Floats 3/94 Applicability: All models fitted with emergency floats P/N 109-0715-01 not modified in accordance with Aircruiser Service Bulletin 902-25-1. Requirement: Action in accordance with Agusta B.T. 109-93. Note: RAI AD 93-347 refers. Compliance: Prior to 30 September 1994. Background: There has been an instance of uncommanded inflation of a float at high forward airspeed.