Twin piston

N1140

1946 Beechcraft D18S

Registered No accidents on file
Built
1946
Serial
A-129
Class
Twin piston
Engines
2 × Pratt & Whitney R-985 series
Status
Current as of October 2026
Registered owner
Beechboys Aviation LLC (LLC)
Based
Wilmington, DE
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1946 Beechcraft D18S
Representative photo of a Beechcraft D18S. Not a photo of N1140.
Registration record

N1140 on the FAA register

Type
1946 Beechcraft D18S
Serial
A-129
Engines
2 × Pratt & Whitney R-985 series
Registered owner
Beechboys Aviation LLC
Wilmington, DE
Certificate issued
2025-12-08
Airworthiness date
—
Registration expires
2032-12-31
Airworthiness class
Standard
Mode S (hex)
A03D67
Mode S (octal)
50036547
Seats (type)
10
Weight class
up to 12,499 lb
Range (type)
632 nm
Cruise (type)
183 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2032-12-31
    Registration expires (renewal due).
  • 2025-12-08
    Certificate of registration issued as N1140.
  • 1946
    Manufactured (1946).
Overview

About N1140

N1140 is a 1946 Beechcraft D18S, serial number A-129. The FAA register lists Beechboys Aviation LLC as the registrant in Wilmington, Delaware. The current certificate of registration was issued on December 8, 2025 and expires on December 31, 2032.

The FAA aircraft reference file describes the type as a twin piston, two Pratt & Whitney R-985 series engines and 10 seats. Published figures for the type give a cruise speed of about 183 knots and a range of about 632 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N1140.

Cruise
183 kt
Range
632 nm
Fuel burn
49 gph

Published figures for the Beechcraft D18S type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N1140.

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

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Browse: Beechcraft aircraft for sale· 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.