This PILATUS B4-PC11 airframe/engine combination has 4 current type-applicable Airworthiness Directives (4 airframe, 0 engine) and 0 historical. AD applicability is type-based — compliance status for N21TU must be verified against the aircraft maintenance logbooks.
Search FAA DRS for applicable ADs →N21TU is one of 22 PILATUS B4-PC11 aircraft on the U.S. registry · fleet median year 1974.
5 possible NTSB record matches for N21TU — see verification below.
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