N1004E - 2005 Cessna 172S Aircraft Registration

N1004E is a 2005 Cessna 172S, a single-engine reciprocating (piston) aircraft registered to Unison Air LLC in Palo Alto, CA. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on July 21, 2005. The registration certificate was issued on September 26, 2023. The registration is set to expire on September 30, 2030. Powered by a Lycoming IO-360-L2A engine producing 180 horsepower, N1004E is. The aircraft's Mode S transponder code is A0079D (hex), used for ADS-B identification and flight tracking. N1004E was last tracked by AviatorDB near Palo Alto Airport (KPAO) on March 11, 2026. The FAA registry record for N1004E was last updated on September 26, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Cessna 172 Skyhawk stands as the most successful aircraft in general aviation history and holds the record as the longest-produced aircraft design ever manufactured. First flown in June 1955, it is a high-wing, single-engine monoplane that seats four occupants and features tricycle landing gear for enhanced stability. With a wingspan of 36 feet and a maximum range of 515 nautical miles, the aircraft has been produced continuously since 1956 with only brief interruptions. Manufactured originally by Cessna Aircraft Company, now part of Textron Aviation, total production exceeds 44,000 units. AviatorDB tracks 80,556 Cessna aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is C172.

AviatorDB has found no NTSB accident or incident reports involving N1004E. 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.