Twin piston

N23DT

1975 Cessna 421B

Registered No accidents on file
Built
1975
Serial
421B0852
Class
Twin piston
Engines
2 × Continental GTSIO-520-C
Status
Current as of October 2026
Registered owner
Alastrom Aviation LLC (LLC)
Based
Wilmington, DE
What's N23DT worth? Track flights
1975 Cessna 421B
Representative photo of a Cessna 421B. Not a photo of N23DT.
Registration record

N23DT on the FAA register

Type
1975 Cessna 421B
Serial
421B0852
Engines
2 × Continental GTSIO-520-C
Registered owner
Alastrom Aviation LLC
Wilmington, DE
Certificate issued
2025-03-16
Airworthiness date
1975-01-27
Registration expires
2032-03-31
Airworthiness class
Standard · normal
Mode S (hex)
A20684
Mode S (octal)
50403204
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 N23DT.
Registry history

Timeline

  • 2032-03-31
    Registration expires (renewal due).
  • 2025-03-16
    Certificate of registration issued as N23DT.
  • 1975-01-27
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N23DT

N23DT is a 1975 Cessna 421B, serial number 421B0852. The FAA register lists Alastrom Aviation LLC as the registrant in Wilmington, Delaware. The current certificate of registration was issued on March 16, 2025 and expires on March 31, 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 January 27, 1975.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N23DT.

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 N23DT.

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

Same model

More Cessna 421B aircraft

N104WM
1975 Cessna 421B
N138JG
1975 Cessna 421B
N13HL
1975 Cessna 421B
N1925G
1975 Cessna 421B
N208V
1975 Cessna 421B
N20MW
1975 Cessna 421B
N210FC
1975 Cessna 421B
N240RT
1975 Cessna 421B
All 225 Cessna 421B registrations →
Same state

Other aircraft registered in Delaware

N23BR
Beechcraft E18S-9700
N23CL
1995 Beechcraft A36 Bonanza
N23D
1968 Navion Navion H
N23EC
1975 Beechcraft B55 Baron
N23GL
1980 Cessna 414A
N23JA
2025 Cirrus SR22T-G7
All 10,965 aircraft registered in Delaware →
Similar aircraft

Other twin pistons on the register

More from Cessna

Cessna models on the register

Own N23DT?

Get a free valuation, digitize the logbooks, or list it on fyiAero.

Free valuation Logbook transcription

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