N104WM - 1975 Cessna 421B Aircraft Registration

C421

1975 CESSNA 421B

Aircraft Description

N104WM is a 1975 Cessna 421B, a twin-engine reciprocating (piston) aircraft registered to Hamilton Aviation LLC in Morehead, KY. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on September 11, 1975. The registration certificate was issued on December 20, 2022. The registration is set to expire on December 31, 2029. Powered by a Cont Motor GTSI0-520-F-K engine producing 435 horsepower, N104WM is. The aircraft's Mode S transponder code is A01590 (hex), used for ADS-B identification and flight tracking. N104WM was last tracked by AviatorDB at coordinates 38.2499, -83.5614 on March 22, 2026. The FAA registry record for N104WM was last updated on September 22, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Cessna 421 Golden Eagle was a pressurized twin-engine aircraft that brought high-altitude comfort to the business aviation market at a fraction of turboprop costs. First flown on May 1, 1967, it was a low-wing monoplane powered by two Continental GTSIO-520 turbocharged engines, seating six to eight occupants. With a service ceiling of 30,000 feet and cruise speed of 277 mph, the 421 spanned 43 feet 2 inches with a length of approximately 39 feet. Cessna Aircraft Company manufactured 1,901 examples between 1967 and 1985. AviatorDB tracks 80,556 Cessna aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is C421.

AviatorDB has found no NTSB accident or incident reports involving N104WM. 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
1975
Manufacturer
CESSNA
Model
421B
Type Aircraft
Fixed Wing Multi Engine
ICAO Type Code
C421421 Executive Commuter
Cruise Speed
172 mph
Weight Class
Up to 12,500 lbs
Airworthiness Date
September 11, 1975
Classification
Standard Normal Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
December 20, 2022

Registered Owner

Name
HAMILTON AVIATION LLC
Address
1599 EAGLE DR
City
MOREHEAD
State / Zip Code
Kentucky40351-6315
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
2
Engine Manufacturer
CONT MOTOR
Engine Model
GTSI0-520-F-K
Horsepower
435 HP
Mode S Code (Oct)
50012620
Mode S Code (Hex)
A01590

Additional Details

Registration
N104WM
Serial Number
421B0964
Number of Engines
2
Number of Seats
8
Expiration Date
December 31, 2029
Last Action Date
September 22, 2023
Last Update Date
September 22, 2023
Unique ID
00310752

Last Known Position

Date
March 22, 2026 (UTC 21:32:07)
Airport
Latitude
38.249926
Longitude
-83.561415

Data Source

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

Last updated: 2026-05-01 01:32:20 UTC