N633MC - 1979 Cessna 421C Aircraft Registration

C421

1979 CESSNA 421C

Aircraft Description

N633MC is a 1979 Cessna 421C, a twin-engine reciprocating (piston) aircraft registered to Sveen Jeffrey T in Aberdeen, SD. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on April 30, 1979. The registration certificate was issued on May 18, 1995. The registration is set to expire on August 31, 2027. Powered by a Cont Motor GTSI0-520-F-K engine producing 435 horsepower, N633MC is. The aircraft's Mode S transponder code is A849F7 (hex), used for ADS-B identification and flight tracking. N633MC was last tracked by AviatorDB at coordinates 45.4042, -98.3848 on February 14, 2026. The FAA registry record for N633MC was last updated on March 10, 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 N633MC. 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
1979
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
April 30, 1979
Classification
Standard Normal Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
May 18, 1995

Registered Owner

Name
SVEEN JEFFREY T
Address
410 E MELGAARD RD
City
ABERDEEN
State / Zip Code
South Dakota57401-7602
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)
52044767
Mode S Code (Hex)
A849F7

Additional Details

Registration
N633MC
Serial Number
421C0657
Number of Engines
2
Number of Seats
8
Expiration Date
August 31, 2027
Last Action Date
March 10, 2023
Last Update Date
January 19, 2026
Unique ID
00911523

Last Known Position

Date
May 10, 2026 (UTC 22:19:27)
Airport
Latitude
45.774559
Longitude
-111.154694

Data Source

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

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