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Berkshire Mfg. Corp. CONCEPT 70 · 1974 · Wichita, KS
N9990 is a 1974 Berkshire Mfg. Corp. CONCEPT 70 (serial 16), registered to Leonard Steven E (individual) in Wichita, KS. Its FAA registration is recorded as v and expires August 2027; the airworthiness certificate dates from May 1979 (47 years ago). It carries a None NONE engine. Its Mode-S transponder broadcasts the ICAO 24-bit address ADF66A. It is one of 7 Berkshire Mfg. Corp. CONCEPT 70 aircraft on the FAA registry. Leonard Steven E holds 68 aircraft on the registry.
Source: FAA aircraft registry (public record). Community reviews and photos below.
Source: FAA engine reference (ENGINE.txt), matched on this registration's engine code.
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