N977SM - 1974 Cessna 421B Aircraft Registration

C421

1974 CESSNA 421B

Aircraft Description

N977SM is a 1974 Cessna 421B, a twin-engine reciprocating (piston) aircraft registered to Kmc Aviation Leasing LLC in Indianapolis, IN. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on March 28, 1974. The registration certificate was issued on April 23, 2012. The registration is set to expire on April 30, 2028. Powered by a Cont Motor GTSIO-520-C engine producing 340 horsepower, N977SM is. The aircraft's Mode S transponder code is AD9F42 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N977SM was last updated on June 21, 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 N977SM. 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
1974
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
March 28, 1974
Classification
Standard Normal Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
April 23, 2012

Registered Owner

Name
KMC AVIATION LEASING LLC
Address
4525 E 82ND ST
City
INDIANAPOLIS
State / Zip Code
Indiana46250-1670
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)
53317502
Mode S Code (Hex)
AD9F42

Additional Details

Registration
N977SM
Serial Number
421B0595
Number of Engines
2
Number of Seats
8
Expiration Date
April 30, 2028
Last Action Date
June 21, 2023
Last Update Date
January 19, 2026
Unique ID
00481734

Data Source

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

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