N42HR - 1992 Harmon John M Harmon Rocket II Aircraft Registration
HROC1992 HARMON JOHN M HARMON ROCKET II
Aircraft Description
N42HR is a 1992 Harmon John M HARMON ROCKET II, a single-engine reciprocating (piston) aircraft registered to Harmon John M in Bakersfield, CA. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on May 23, 1992. The registration certificate was issued on May 6, 1992. The registration is set to expire on April 30, 2030. Powered by a Lycoming 0-540 SERIES engine producing 250 horsepower, N42HR is. The aircraft's Mode S transponder code is A4FA05 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N42HR was last updated on October 20, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.
The Harmon Rocket II was a high-performance experimental aircraft modification kit that transformed the Van's RV-4 into one of the fastest homebuilt aircraft of the 1990s. First flown in October 1991, it was a low-wing single-engine monoplane accommodating two occupants with a powerful 250-horsepower Lycoming IO-540 engine. The aircraft achieved cruise speeds of 230 mph and set multiple performance records, including a top speed of 250.71 mph. The modification kit was developed and manufactured by D & J Harmon Co., Inc. of Bakersfield, California. AviatorDB tracks 2 Harmon John M aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is HROC.
AviatorDB has found no NTSB accident or incident reports involving N42HR. 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