86-20-04
final ruleAirworthiness Directives; ARCTIC AIRCRAFT COMPANY Model Interstate S-1B2 "Tern" Airplanes
Unsafe Condition: Catastrophic flutter of the ailerons and/or elevators during flight at high speeds, resulting in possible loss of the airplane.
Why matched: Airworthiness Directives; ARCTIC AIRCRAFT COMPANY Model Interstate S-1B2 "Tern" Airplanes
