N421SE - 1973 Cessna 421B Aircraft Registration

C421

1973 CESSNA 421B

Aircraft Description

N421SE is a 1973 Cessna 421B, a twin-engine reciprocating (piston) aircraft registered to Quonset Aviation LLC in North Kingstown, RI. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on April 23, 1973. The registration certificate was issued on April 10, 2014. The registration is set to expire on April 30, 2030. Powered by a Cont Motor GTSIO-520-C engine producing 340 horsepower, N421SE is. The aircraft's Mode S transponder code is A500EB (hex), used for ADS-B identification and flight tracking. The FAA registry record for N421SE 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 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 N421SE. 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
1973
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
April 23, 1973
Classification
Standard Normal Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
April 10, 2014

Registered Owner

Name
QUONSET AVIATION LLC
Address
315 COMMERCE PARK RD UNIT 2
City
NORTH KINGSTOWN
State / Zip Code
Rhode Island02852-8422
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
2
Engine Manufacturer
CONT MOTOR
Engine Model
GTSIO-520-C
Horsepower
340 HP
Mode S Code (Oct)
51200353
Mode S Code (Hex)
A500EB

Additional Details

Registration
N421SE
Serial Number
421B0393
Number of Engines
2
Number of Seats
8
Expiration Date
April 30, 2030
Last Action Date
October 20, 2023
Last Update Date
January 19, 2026
Unique ID
00520796

Data Source

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

Last updated: 2026-05-15 01:32:20 UTC