This CESSNA 421 airframe/engine combination has 52 current type-applicable Airworthiness Directives (35 airframe, 25 engine) and 8 historical. AD applicability is type-based — compliance status for N123SM must be verified against the aircraft maintenance logbooks.
Search FAA DRS for applicable ADs →N123SM is one of 36 CESSNA 421 aircraft on the U.S. registry · fleet median year 1968.
1 NTSB accident/incident record associated with N123SM — details below.
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