This GRANT MCGREGOR STOL CUB airframe/engine combination has 19 current type-applicable Airworthiness Directives (0 airframe, 23 engine) and 4 historical. AD applicability is type-based — compliance status for N421AK must be verified against the aircraft maintenance logbooks.
Search FAA DRS for applicable ADs →N421AK is one of 1 GRANT MCGREGOR STOL CUB aircraft on the U.S. registry · fleet median year 2023.
172 possible NTSB record matches for N421AK — see verification below.
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