COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Beechcraft 76 (Duchess) Series Aeroplanes
AD/BEECH 76/4 Fuel Tank Outlet Check Valve and
Fuel Selector Valves
Applicability: All model 76 with S/Nos. ME-1 to ME-133. Requirement: Action in accordance with Beechcraft SI No. 1054. Compliance: Before 1 October 1979.
7/79
Background: The original fuel selector valves have proved unsatisfactory and are replaced with valves of an improved design, also, check valves are to be fitted at the fuel tank outlets to prevent inadvertent transfer of fuel between tanks.