N6400S - 1999 Hochmuth Harold W RV-4/HARMON Rockt II Aircraft Registration

RV4

1999 HOCHMUTH HAROLD W RV-4/HARMON ROCKT II

Aircraft Description

N6400S is a 1999 Hochmuth Harold W RV-4/HARMON ROCKT II, a single-engine reciprocating (piston) aircraft registered to Lepper Michael in Ward, CO. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on December 14, 1999. The registration certificate was issued on September 28, 2020. The registration is set to expire on September 30, 2027. Powered by a Lycoming IO-540 SER engine producing 300 horsepower, N6400S is. The aircraft's Mode S transponder code is A867A4 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N6400S was last updated on March 17, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Hochmuth Harold W is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Hochmuth Harold W aircraft currently registered in the FAA database, including the RV-4/HARMON ROCKT II model.

AviatorDB has found no NTSB accident or incident reports involving N6400S. 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
1999
Manufacturer
HOCHMUTH HAROLD W
Model
RV-4/HARMON ROCKT II
Type Aircraft
Fixed Wing Single Engine
ICAO Type Code
RV4RV-4
Weight Class
Up to 12,500 lbs
Airworthiness Date
December 14, 1999
Classification
Experimental 2 Category
Type Registration
Co-Owned
Status
Valid Registration
Cert Issue Date
September 28, 2020

Registered Owner

Name
LEPPER MICHAEL
Address
46373 HIGHWAY 72
City
WARD
State / Zip Code
Colorado80481-9614
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
LYCOMING
Engine Model
IO-540 SER
Horsepower
300 HP
Mode S Code (Oct)
52063644
Mode S Code (Hex)
A867A4

Additional Details

Registration
N6400S
Serial Number
4272/218
Number of Engines
1
Number of Seats
2
Expiration Date
September 30, 2027
Last Action Date
March 17, 2023
Last Update Date
January 19, 2026
Unique ID
00703817

Data Source

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

Last updated: 2026-04-01 01:32:20 UTC