Twin piston

N707DM

1971 Cessna 421B

Registration pending No accidents on file
Built
1971
Serial
421B0145
Class
Twin piston
Engines
2 × Continental GTSIO-520-C
Status
Registration pending
Registered owner
Individual · sign in to see
Based
Portland, ME
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1971 Cessna 421B
Representative photo of a Cessna 421B. Not a photo of N707DM.
Registration record

N707DM on the FAA register

Type
1971 Cessna 421B
Serial
421B0145
Engines
2 × Continental GTSIO-520-C
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Portland, ME
Certificate issued
—
Airworthiness date
1971-12-09
Registration expires
—
Airworthiness class
Standard · normal
Mode S (hex)
A96EE6
Mode S (octal)
52267346
Seats (type)
8
Weight class
up to 12,499 lb
Range (type)
845 nm
Cruise (type)
235 kt
Status
Registration pending
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 N707DM.
Registry history

Timeline

  • 1971-12-09
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N707DM

N707DM is a 1971 Cessna 421B, serial number 421B0145. It is registered to an individual in Portland, Maine.

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 December 9, 1971.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N707DM.

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 N707DM.

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

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Same state

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Browse: Cessna aircraft for sale· Cessna 421B overview· Aircraft registered in Maine· 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.