N421GL - 1984 Cessna 421C Aircraft Registration

C421

1984 CESSNA 421C

Aircraft Description

N421GL is a 1984 Cessna 421C, a twin-engine reciprocating (piston) aircraft registered to Diffusion LLC in Trenton, TN. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on June 15, 1984. The registration certificate was issued on June 24, 2019. The registration is set to expire on June 30, 2029. Powered by a Cont Motor GTSIO-520 SER engine producing 435 horsepower, N421GL is. The aircraft's Mode S transponder code is A4FFF7 (hex), used for ADS-B identification and flight tracking. N421GL was last tracked by AviatorDB at coordinates 35.9297, -89.0998 on March 22, 2026. The FAA registry record for N421GL was last updated on January 5, 2026. 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 N421GL. 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
1984
Manufacturer
CESSNA
Model
421C
Type Aircraft
Fixed Wing Multi Engine
ICAO Type Code
C421421 Executive Commuter
Cruise Speed
90 mph
Weight Class
Up to 12,500 lbs
Airworthiness Date
June 15, 1984
Classification
Standard Normal Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
June 24, 2019

Registered Owner

Name
DIFFUSION LLC
Address
PO BOX 4
City
TRENTON
State / Zip Code
Tennessee38382-0004
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
2
Engine Manufacturer
CONT MOTOR
Engine Model
GTSIO-520 SER
Horsepower
435 HP
Mode S Code (Oct)
51177767
Mode S Code (Hex)
A4FFF7

Additional Details

Registration
N421GL
Serial Number
421C1405
Number of Engines
2
Number of Seats
8
Expiration Date
June 30, 2029
Last Action Date
January 5, 2026
Last Update Date
January 19, 2026
Unique ID
00981584

Last Known Position

Date
March 22, 2026 (UTC 21:32:25)
Airport
Latitude
35.929733
Longitude
-89.099751

Data Source

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

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