N640 - 1944 Grumman/mckinnon Enterprises G21G Aircraft Registration

N640 is a 1944 Grumman/mckinnon Enterprises G21G, a twin-engine turbo-prop aircraft registered to Teufel Holly Farms INC in Portland, OR. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on October 10, 2005. The registration certificate was issued on February 15, 2012. The registration is set to expire on February 29, 2028. Powered by a P&w PT6A SER engine producing 750 horsepower, N640 is. The aircraft's Mode S transponder code is A8653A (hex), used for ADS-B identification and flight tracking. N640 was last tracked by AviatorDB near Portland Hillsboro Airport (KHIO) on February 5, 2026. The FAA registry record for N640 was last updated on April 21, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Grumman G-21A Goose was America's first successful commercial amphibious aircraft, pioneering the flying yacht concept for wealthy commuters and small airlines. First flown on May 29, 1937, it was a high-wing twin-engine monoplane that could accommodate up to nine passengers plus pilot in its deep-hulled fuselage designed for water operations. With its 95-foot wingspan and 450-horsepower Pratt & Whitney radial engines, the Goose achieved a 166-knot cruise speed and 695-nautical-mile range. The aircraft was manufactured by Grumman Aircraft Engineering Corporation at their Bethpage, New York facility. AviatorDB tracks 1 Grumman/mckinnon Enterprises aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is G21.

AviatorDB has found no NTSB accident or incident reports involving N640. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.