This HILLER UH-12D airframe/engine combination has 45 current type-applicable Airworthiness Directives (39 airframe, 9 engine) and 3 historical. AD applicability is type-based — compliance status for N9299Z must be verified against the aircraft maintenance logbooks.
Search FAA DRS for applicable ADs →N9299Z is one of 27 HILLER UH-12D aircraft on the U.S. registry · fleet median year 1960.
3 possible NTSB record matches for N9299Z — see verification below.
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