This PIPER PA-25 airframe/engine combination has 23 current type-applicable Airworthiness Directives (7 airframe, 23 engine) and 7 historical. AD applicability is type-based — compliance status for N4477P must be verified against the aircraft maintenance logbooks.
Search FAA DRS for applicable ADs →N4477P is one of 70 PIPER PA-25 aircraft on the U.S. registry · fleet median year 1960.
1 possible NTSB record match for N4477P — see verification below.
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