COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters AD/BELL 206/89 Emergency Flotation Kit Valve Assembly P/N 206-073-915-5 - Inspection 8/81 Applicability: All models 206L and 206L-1 fitted with emergency flotation kit P/Nos. referenced in Bell Alert SB No. 206L-81-21. Document: Bell Alert SB No. 206L-81-21. Compliance: Before 1 July 1981, unless already accomplished. Background: The manufacturer has advised of a recent occurrence involving an overwater emergency in which the emergency floats malfunctioned due to a defective valve of the referenced P/N.