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Porterfield CP-50 · 1939 · Hood River, OR
N21973 is a 1939 Porterfield CP-50 (serial 559), registered to Western Antique Aeroplane & Automobile Museum (corporation) in Hood River, OR. Its FAA registration is recorded as v and expires June 2028; the airworthiness certificate dates from October 1956 (69 years ago). It carries a Cont Motor A50 SERIES engine rated at 50 hp, the engine on 67% of registered Porterfield CP-50s. Its Mode-S transponder broadcasts the ICAO 24-bit address A1DE5A. It is one of 8 Porterfield CP-50 aircraft on the FAA registry. Western Antique Aeroplane & Automobile Museum holds 149 aircraft on the registry.
Source: FAA aircraft registry (public record). Community reviews and photos below.
4 of the 6 registered Porterfield CP-50 carry this engine (67%), across 3 engine variants on the type.
Source: FAA engine reference (ENGINE.txt), matched on this registration's engine code.
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Commonly available reference sources for the Porterfield CP-50. Always confirm against the manufacturer's current, authoritative publication for your specific aircraft.
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