This VALMET L-90 TP airframe/engine combination has 11 current type-applicable Airworthiness Directives (0 airframe, 13 engine) and 2 historical. AD applicability is type-based — compliance status for N55AS must be verified against the aircraft maintenance logbooks.
Search FAA DRS for applicable ADs →N55AS is one of 2 VALMET L-90 TP aircraft on the U.S. registry · fleet median year 2002.
7 possible NTSB record matches for N55AS — see verification below.
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