This BELL 47D1 airframe/engine combination has 115 current type-applicable Airworthiness Directives (117 airframe, 0 engine) and 2 historical. AD applicability is type-based — compliance status for N917B must be verified against the aircraft maintenance logbooks.
Search FAA DRS for applicable ADs →N917B is one of 52 BELL 47D1 aircraft on the U.S. registry · fleet median year 1951.
1 possible NTSB record match for N917B — see verification below.
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