N237SM - 1976 Cessna 421C Aircraft Registration

C421

1976 CESSNA 421C

Aircraft Description

N237SM is a 1976 Cessna 421C, a twin-engine reciprocating (piston) aircraft registered to Western Rivers Aircraft LLC in Paducah, KY. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on December 29, 1976. The registration certificate was issued on October 29, 2007. The registration is set to expire on July 31, 2028. Powered by a Cont Motor GTSI0-520-F-K engine producing 435 horsepower, N237SM is. The aircraft's Mode S transponder code is A2241D (hex), used for ADS-B identification and flight tracking. The FAA registry record for N237SM was last updated on May 26, 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 N237SM. 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 29, 1976
Classification
Standard Normal Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
October 29, 2007

Registered Owner

Name
WESTERN RIVERS AIRCRAFT LLC
Address
PO BOX 300
City
PADUCAH
State / Zip Code
Kentucky42002-0300
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)
50422035
Mode S Code (Hex)
A2241D

NTSB Accident History (1)

Additional Details

Registration
N237SM
Serial Number
421C0237
Number of Engines
2
Number of Seats
8
Expiration Date
July 31, 2028
Last Action Date
May 26, 2023
Last Update Date
January 19, 2026
Unique ID
00023325

Data Source

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

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