This SCHLEICHER ASK-21 airframe/engine combination has 0 current type-applicable Airworthiness Directives (0 airframe, 0 engine) and 0 historical. AD applicability is type-based — compliance status for N421SL must be verified against the aircraft maintenance logbooks.
Search FAA DRS for applicable ADs →N421SL is one of 45 SCHLEICHER ASK-21 aircraft on the U.S. registry · fleet median year 1986.
1 NTSB accident/incident record associated with N421SL — details below.
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