Aircraft Description
N401SJ is a 1943 Grumman G-21A, a twin-engine reciprocating (piston) aircraft registered to Mayes Brett R in Williams, CA. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on March 30, 1956. The registration certificate was issued on May 22, 2014. The registration is set to expire on May 31, 2027. Powered by a P&w R-985 SERIES engine producing 450 horsepower, N401SJ is. The aircraft's Mode S transponder code is A4B1F1 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N401SJ was last updated on January 22, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.
Grumman Aircraft (later Northrop Grumman) was a major American aircraft manufacturer known for naval fighters in World War II and the Apollo Lunar Module. In general aviation, the Grumman American AA-5 and Tiger series remain popular sport aircraft. AviatorDB tracks 473 Grumman aircraft currently registered in the FAA database, including the G-21A model.
AviatorDB has found no NTSB accident or incident reports involving N401SJ. 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
Data Source
Data provided by the US Federal Aviation Administration. View on FAA.gov
Last updated: 2026-06-15 01:32:20 UTC