N421XX - 1976 Cessna 421C Aircraft Registration

C421

1976 CESSNA 421C

Aircraft Description

N421XX is a 1976 Cessna 421C, a twin-engine reciprocating (piston) aircraft registered to Long William David in San Antonio, TX. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on December 30, 1976. The registration certificate was issued on November 8, 2019. The registration is set to expire on November 30, 2029. Powered by a Cont Motor GTSI0-520-F-K engine producing 435 horsepower, N421XX is. The aircraft's Mode S transponder code is A50179 (hex), used for ADS-B identification and flight tracking. N421XX was last tracked by AviatorDB at coordinates 29.7319, -98.6956 on March 3, 2026. The FAA registry record for N421XX was last updated on September 15, 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 N421XX. 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
1976
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
December 30, 1976
Classification
Standard Normal Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
November 8, 2019

Registered Owner

Name
LONG WILLIAM DAVID
Address
9226 PONY EXPRESS ST
City
SAN ANTONIO
State / Zip Code
Texas78255-2141
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)
51200571
Mode S Code (Hex)
A50179

Additional Details

Registration
N421XX
Serial Number
421C0238
Number of Engines
2
Number of Seats
8
Expiration Date
November 30, 2029
Last Action Date
September 15, 2023
Last Update Date
September 15, 2023
Unique ID
00953335

Last Known Position

Date
June 23, 2026 (UTC 22:44:54)
Airport
Latitude
29.720032
Longitude
-98.693724

Data Source

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

Last updated: 2026-06-15 01:32:20 UTC