This ROBINSON HELICOPTER COMPANY R44 II airframe/engine combination has 72 current type-applicable Airworthiness Directives (41 airframe, 52 engine) and 21 historical. AD applicability is type-based — compliance status for N121SX must be verified against the aircraft maintenance logbooks.
Search FAA DRS for applicable ADs →N121SX is one of 1,495 ROBINSON HELICOPTER COMPANY R44 II aircraft on the U.S. registry · fleet median year 2008.
No NTSB accident or incident records found for N121SX in the NTSB aviation accident database.
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