N211WF - 2015 Foster William E RV-4 Aircraft Registration

N211WF is a 2015 Foster William E RV-4, a single-engine reciprocating (piston) aircraft registered to Pyfl Kolby A in Maxwell, CA. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on January 13, 2015. The registration certificate was issued on October 24, 2025. The registration is set to expire on October 31, 2032. Powered by a Lycoming O-320 SERIES engine producing 150 horsepower, N211WF is. The aircraft's Mode S transponder code is A1BF33 (hex), used for ADS-B identification and flight tracking. N211WF was last tracked by AviatorDB at coordinates 39.0700, -122.0833 on April 25, 2026. The FAA registry record for N211WF was last updated on October 24, 2025. 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 Foster William E 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 N211WF. 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.