This REYNOLDS-BROWN R-B SPECIAL airframe/engine combination has 27 current type-applicable Airworthiness Directives (0 airframe, 38 engine) and 11 historical. AD applicability is type-based — compliance status for N4021B must be verified against the aircraft maintenance logbooks.
Search FAA DRS for applicable ADs →N4021B is one of 1 REYNOLDS-BROWN R-B SPECIAL aircraft on the U.S. registry · fleet median year 1975.
62 possible NTSB record matches for N4021B — see verification below.
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