This LOCKHEED 18-56 airframe/engine combination has 79 current type-applicable Airworthiness Directives (80 airframe, 0 engine) and 1 historical. AD applicability is type-based — compliance status for N21G must be verified against the aircraft maintenance logbooks.
Search FAA DRS for applicable ADs →N21G is one of 14 LOCKHEED 18-56 aircraft on the U.S. registry · fleet median year 1943.
1 possible NTSB record match for N21G — see verification below.
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