Aircraft Description
N626FF is a 2005 Knapp Robert H RV4, a single-engine reciprocating (piston) aircraft registered to Knapp Edward in Zephyrhills, FL. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on November 2, 2005. The registration certificate was issued on March 5, 2009. The registration is set to expire on January 31, 2030. Powered by a Lycoming IO-320 SERIES engine producing 150 horsepower, N626FF is. The aircraft's Mode S transponder code is A82D0A (hex), used for ADS-B identification and flight tracking. N626FF was last tracked by AviatorDB at coordinates 28.1687, -82.0583 on April 28, 2026. The FAA registry record for N626FF was last updated on September 30, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.
The Van's RV-4 is a high-performance homebuilt aircraft that revolutionized the kit plane industry by bringing fighter-like handling characteristics to civilian aviation. First flown in August 1979, it is a low-wing, single-engine monoplane that seats two in tandem configuration. Powered by a 180-horsepower Lycoming O-360 engine with a gross weight of 1,500 pounds, the RV-4 established Van's Aircraft as the dominant force in experimental aviation with over 1,446 examples completed worldwide by 2022. AviatorDB tracks 1 Knapp Robert H aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is RV4.
AviatorDB has found no NTSB accident or incident reports involving N626FF. 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: 2026-06-15 01:32:20 UTC