Twin piston

N104WM

1975 Cessna 421B

Registered No accidents on file
Built
1975
Serial
421B0964
Class
Twin piston
Engines
2 × Continental GTSI0-520-F-K
Status
Current as of October 2026
Registered owner
Hamilton Aviation LLC (LLC)
Based
Morehead, KY
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1975 Cessna 421B
Representative photo of a Cessna 421B. Not a photo of N104WM.
Registration record

N104WM on the FAA register

Type
1975 Cessna 421B
Serial
421B0964
Engines
2 × Continental GTSI0-520-F-K
Registered owner
Hamilton Aviation LLC
Morehead, KY
Certificate issued
2022-12-20
Airworthiness date
1975-09-11
Registration expires
2029-12-31
Airworthiness class
Standard · normal
Mode S (hex)
A01590
Mode S (octal)
50012620
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 N104WM.
Registry history

Timeline

  • 2029-12-31
    Registration expires (renewal due).
  • 2022-12-20
    Certificate of registration issued as N104WM.
  • 1975-09-11
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N104WM

N104WM is a 1975 Cessna 421B, serial number 421B0964. The FAA register lists Hamilton Aviation LLC as the registrant in Morehead, Kentucky. The current certificate of registration was issued on December 20, 2022 and expires on December 31, 2029.

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 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 September 11, 1975.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N104WM.

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

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N104WM.

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 Kentucky· 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.