This HILLER UH-12E airframe/engine combination has 52 current type-applicable Airworthiness Directives (44 airframe, 11 engine) and 3 historical. AD applicability is type-based — compliance status for N9737C must be verified against the aircraft maintenance logbooks.
Search FAA DRS for applicable ADs →N9737C is one of 123 HILLER UH-12E aircraft on the U.S. registry · fleet median year 1964.
1 possible NTSB record match for N9737C — see verification below.
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