N21MH - 1995 Hepperlen Harry M Iii RV-4 Aircraft Registration

RV4

1995 HEPPERLEN HARRY M III RV-4

Aircraft Description

N21MH is a 1995 Hepperlen Harry M III RV-4, a single-engine reciprocating (piston) aircraft registered to Kannapell Joseph H in Green Cove Springs, FL. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on February 12, 1996. The registration certificate was issued on September 12, 2019. The registration is set to expire on September 30, 2029. Powered by a Lycoming 0-360-A1D engine producing 180 horsepower, N21MH is. The aircraft's Mode S transponder code is A1B844 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N21MH was last updated on September 2, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Hepperlen Harry M III is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Hepperlen Harry M III aircraft currently registered in the FAA database, including the RV-4 model.

AviatorDB has found no NTSB accident or incident reports involving N21MH. 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
1995
Manufacturer
HEPPERLEN HARRY M III
Model
RV-4
Type Aircraft
Fixed Wing Single Engine
ICAO Type Code
RV4RV-4
Weight Class
Up to 12,500 lbs
Airworthiness Date
February 12, 1996
Classification
Experimental 2 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
September 12, 2019

Registered Owner

Name
KANNAPELL JOSEPH H
Address
5323 AIR PARK LOOP W
City
GREEN COVE SPRINGS
State / Zip Code
Florida32043-8911
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
LYCOMING
Engine Model
0-360-A1D
Horsepower
180 HP
Mode S Code (Oct)
50334104
Mode S Code (Hex)
A1B844

Additional Details

Registration
N21MH
Serial Number
2670
Number of Engines
1
Number of Seats
2
Expiration Date
September 30, 2029
Last Action Date
September 2, 2023
Last Update Date
January 19, 2026
Unique ID
00954972

Data Source

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

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