Twin piston

N421DG

1978 Cessna 421C

Registered 1 NTSB/FAA record
Built
1978
Serial
421C0456
Class
Twin piston
Engines
2 × Continental GTSI0-520-F-K
Status
Current as of October 2026
Registered owner
Txoperation LLC (LLC)
Based
Fort Scott, KS
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1978 Cessna 421C
Representative photo of a Cessna 421C. Not a photo of N421DG.
Registration record

N421DG on the FAA register

Type
1978 Cessna 421C
Serial
421C0456
Engines
2 × Continental GTSI0-520-F-K
Registered owner
Txoperation LLC
Fort Scott, KS
Certificate issued
2024-06-01
Airworthiness date
1978-02-16
Registration expires
2031-06-30
Airworthiness class
Standard · normal
Mode S (hex)
A4FFA8
Mode S (octal)
51177650
Seats (type)
8
Weight class
up to 12,499 lb
Range (type)
1,197 nm
Cruise (type)
241 kt
Status
Current as of October 2026
Market asking range
$300,000 to $549,000
Middle half of 43 live Cessna 421C listings, 1976–1984 models (median $439,000). Asking prices, not an appraisal of N421DG.
Registry history

Timeline

  • 2031-06-30
    Registration expires (renewal due).
  • 2024-06-01
    Certificate of registration issued as N421DG.
  • 2002-03-02
    Accident at Hailey, ID; damage: substantial.
  • 1978-02-16
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N421DG

N421DG is a 1978 Cessna 421C, serial number 421C0456. The FAA register lists Txoperation LLC as the registrant in Fort Scott, Kansas. The current certificate of registration was issued on June 1, 2024 and expires on June 30, 2031.

The FAA aircraft reference file describes the type as a twin piston, two Continental GTSI0-520-F-K engines and 8 seats. Published figures for the type give a cruise speed of about 241 knots and a range of about 1,197 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated February 16, 1978.

N421DG has 1 accident/incident record on file (most serious damage: substantial); details are below.

Cruise
241 kt
Range
1,197 nm
Power / thrust (each)
375
Takeoff over 50 ft
2,323 ft
Landing over 50 ft
2,293 ft
Fuel burn
47 gph

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

Safety record

Accident & incident history

2002-03-02 Accident · Hailey, ID Damage: Substantial NTSB · SEA02LA046
Reported aircraft: Cessna 421C
Probable cause: Water contamination within the aircraft's landing gear hydraulic line(s) which froze and blocked the line(s) preventing extension of the right main gear. A factor was the below freezing environmental conditions which the aircraft was operating in prior to and during the approach and landing.

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

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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.