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Waco QCF · 1931 · Valparaiso, IN
N2091S is a 1931 Waco QCF (serial 3494), registered to Sterling Foundation (corporation) in Valparaiso, IN. Its FAA registration is recorded as v and expires July 2033; the airworthiness certificate dates from October 2010 (16 years ago). It carries a Cont Motor R670-SERIES engine rated at 225 hp, the engine on 44% of registered Waco QCFs. Its Mode-S transponder broadcasts the ICAO 24-bit address A1B5FE. It is one of 19 Waco QCF aircraft on the FAA registry. Sterling Foundation holds 6 aircraft on the registry.
Source: FAA aircraft registry (public record). Community reviews and photos below.
7 of the 16 registered Waco QCF carry this engine (44%), across 4 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 Waco QCF. Always confirm against the manufacturer's current, authoritative publication for your specific aircraft.
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