COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
American Champion (Aeronca, Bellanca) Series Aeroplanes
AD/CHA/4 Fuel Lines in Engine Compartment 10/71
Applicability: All models not fitted with fire resistant fuel lines in the engine compartment.
Requirement: Replace all engine compartment aluminium fuel lines with fire resistant flexible hose assemblies of fireproof rigid lines and fittings.
Note: This requirement need not be applied to vent and drain lines as failure of these lines does not result in, or add to, a fire hazard.
Compliance: Before 29 October 1971.