Aircraft Description
N644GD is a 1993 Duda W Gregory SH-2F, a single-engine reciprocating (piston) aircraft registered to Duda W Gregory in Grass Valley, CA. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on November 21, 2000. The registration certificate was issued on September 9, 1993. The registration is set to expire on April 30, 2028. Powered by a Lycoming 0-320 SERIES engine producing 180 horsepower, N644GD is. The aircraft's Mode S transponder code is A874B1 (hex), used for ADS-B identification and flight tracking. N644GD was last tracked by AviatorDB at coordinates 39.1045, -121.0600 on May 16, 2026. The FAA registry record for N644GD was last updated on May 5, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.
Duda W Gregory is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Duda W Gregory aircraft currently registered in the FAA database, including the SH-2F model.
AviatorDB has found no NTSB accident or incident reports involving N644GD. 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.
Registered Owner
Powerplant & Avionics
Additional Details
Last Known Position
Data Source
Data provided by the US Federal Aviation Administration. View on FAA.gov
Last updated: 2026-08-15 01:32:20 UTC