Aircraft Description
N477BH is a Robert H Hammer L4X, a single-engine reciprocating (piston) aircraft registered to Hammer Robert H in Kirkland, WA. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on May 2, 2016. The registration certificate was issued on September 29, 2014. The registration is set to expire on September 30, 2027. The aircraft is configured with 2 seats. The aircraft's Mode S transponder code is A5DB3C (hex), used for ADS-B identification and flight tracking. N477BH was last tracked by AviatorDB at coordinates 47.9063, -122.2820 on September 29, 2024. The FAA registry record for N477BH was last updated on March 17, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.
Robert H Hammer is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Robert H Hammer aircraft currently registered in the FAA database, including the L4X model.
AviatorDB has found no NTSB accident or incident reports involving N477BH. 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: 2026-04-01 01:32:20 UTC