N421 - 1977 Cessna 421C Aircraft Registration

C421

1977 CESSNA 421C

Aircraft Description

N421 is a 1977 Cessna 421C, a twin-engine reciprocating (piston) aircraft registered to Aerodental INC in Colorado Springs, CO. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on February 3, 1977. The registration certificate was issued on January 11, 1996. The registration is set to expire on July 31, 2029. Powered by a Cont Motor GTSI0-520-F-K engine producing 435 horsepower, N421 is. The aircraft's Mode S transponder code is A4FF55 (hex), used for ADS-B identification and flight tracking. N421 was last tracked by AviatorDB near City of Colorado Springs Municipal Airport (KCOS) on July 14, 2025. The FAA registry record for N421 was last updated on August 18, 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 N421. 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
1977
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
February 3, 1977
Classification
Standard Normal Category
Type Registration
Corporation
Status
Valid Registration
Cert Issue Date
January 11, 1996

Registered Owner

Name
AERODENTAL INC
Address
24 SANFORD RD
City
COLORADO SPRINGS
State / Zip Code
Colorado80906-4232
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)
51177525
Mode S Code (Hex)
A4FF55

Additional Details

Registration
N421
Serial Number
421C0226
Number of Engines
2
Number of Seats
8
Expiration Date
July 31, 2029
Last Action Date
August 18, 2023
Last Update Date
August 18, 2023
Unique ID
00181780

Last Known Position

Date
July 14, 2025 (UTC 22:00:33)
Airport
Latitude
38.805801
Longitude
-104.700996

Data Source

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

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