N42HR - 1992 Harmon John M Harmon Rocket II Aircraft Registration

HROC

1992 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.

Model Year
1992
Manufacturer
HARMON JOHN M
Model
HARMON ROCKET II
Type Aircraft
Fixed Wing Single Engine
ICAO Type Code
HROCRocket
Weight Class
Up to 12,500 lbs
Airworthiness Date
May 23, 1992
Classification
Experimental 2 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
May 6, 1992

Registered Owner

Name
HARMON JOHN M
Address
2201 COY AVE
City
BAKERSFIELD
State / Zip Code
California93307-4447
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
LYCOMING
Engine Model
0-540 SERIES
Horsepower
250 HP
Mode S Code (Oct)
51175005
Mode S Code (Hex)
A4FA05

Additional Details

Registration
N42HR
Serial Number
007
Number of Engines
1
Number of Seats
2
Expiration Date
April 30, 2030
Last Action Date
October 20, 2023
Last Update Date
October 20, 2023
Unique ID
00903822

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-06-15 01:32:20 UTC