Twin piston

N444SM

1974 Cessna 421B

Registered No accidents on file
Built
1974
Serial
421B0814
Class
Twin piston
Engines
2 × Continental GTSIO-520-C
Status
Current as of October 2026
Registered owner
Posada Law Pllc (LLC)
Based
Boca Raton, FL
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1974 Cessna 421B
Representative photo of a Cessna 421B. Not a photo of N444SM.
Registration record

N444SM on the FAA register

Type
1974 Cessna 421B
Serial
421B0814
Engines
2 × Continental GTSIO-520-C
Registered owner
Posada Law Pllc
Boca Raton, FL
Certificate issued
2025-06-06
Airworthiness date
1974-11-12
Registration expires
2032-06-30
Airworthiness class
Standard · normal
Mode S (hex)
A55B15
Mode S (octal)
51255425
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 N444SM.
Registry history

Timeline

  • 2032-06-30
    Registration expires (renewal due).
  • 2025-06-06
    Certificate of registration issued as N444SM.
  • 1974-11-12
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N444SM

N444SM is a 1974 Cessna 421B, serial number 421B0814. The FAA register lists Posada Law Pllc as the registrant in Boca Raton, Florida. The current certificate of registration was issued on June 6, 2025 and expires on June 30, 2032.

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 November 12, 1974.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N444SM.

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 N444SM.

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 Florida· 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.