Twin piston

N977SM

1974 Cessna 421B

Registered 1 NTSB/FAA record
Built
1974
Serial
421B0595
Class
Twin piston
Engines
2 × Continental GTSIO-520-C
Status
Current as of October 2026
Registered owner
Kmc Aviation Leasing LLC (LLC)
Based
Indianapolis, IN
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1974 Cessna 421B
Representative photo of a Cessna 421B. Not a photo of N977SM.
Registration record

N977SM on the FAA register

Type
1974 Cessna 421B
Serial
421B0595
Engines
2 × Continental GTSIO-520-C
Registered owner
Kmc Aviation Leasing LLC
Indianapolis, IN
Certificate issued
2012-04-23
Airworthiness date
1974-03-28
Registration expires
2028-04-30
Airworthiness class
Standard · normal
Mode S (hex)
AD9F42
Mode S (octal)
53317502
Seats (type)
8
Weight class
up to 12,499 lb
Range (type)
845 nm
Cruise (type)
235 kt
Status
Current as of October 2026
Market asking range
$219,000 to $389,000
Middle half of 15 live Cessna 421B listings, 1971–1975 models (median $339,000). Asking prices, not an appraisal of N977SM.
Registry history

Timeline

  • 2028-04-30
    Registration expires (renewal due).
  • 2023-11-11
    Accident at Lake City, FL; damage: substantial.
  • 2012-04-23
    Certificate of registration issued as N977SM.
  • 1974-03-28
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N977SM

N977SM is a 1974 Cessna 421B, serial number 421B0595. The FAA register lists Kmc Aviation Leasing LLC as the registrant in Indianapolis, Indiana. The current certificate of registration was issued on April 23, 2012 and expires on April 30, 2028.

The FAA aircraft reference file describes the type as a twin piston, two Continental GTSIO-520-C engines and 8 seats. Published figures for the type give a cruise speed of about 235 knots and a range of about 845 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated March 28, 1974.

N977SM has 1 accident/incident record on file (most serious damage: substantial); details are below.

Cruise
235 kt
Range
845 nm
Power / thrust (each)
375
Takeoff over 50 ft
2,387 ft
Landing over 50 ft
2,178 ft
Fuel burn
47 gph

Published figures for the Cessna 421B type. They describe the model, not this airframe's equipment or condition. Cessna 421B specs, prices and for-sale inventory →

Safety record

Accident & incident history

2023-11-11 Accident · Lake City, FL Damage: Substantial NTSB · ERA24LA041
Reported aircraft: Cessna 421
Probable cause: A landing gear collapse following an aborted takeoff due to degraded climb performance for reasons that could not be determined.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Browse: Cessna aircraft for sale· Cessna 421B overview· Aircraft registered in Indiana· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.