Twin piston

N4DH

1946 Beechcraft D18S

Registered No accidents on file
Built
1946
Serial
A-260
Class
Twin piston
Engines
2 × Lycoming TIGO-541SER
Status
Current as of October 2026
Registered owner
Glenn L Martin Maryland Aviation Museum (Corporation)
Based
Baltimore, MD
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1946 Beechcraft D18S
Representative photo of a Beechcraft D18S. Not a photo of N4DH.
Registration record

N4DH on the FAA register

Type
1946 Beechcraft D18S
Serial
A-260
Engines
2 × Lycoming TIGO-541SER
Registered owner
Glenn L Martin Maryland Aviation Museum
Baltimore, MD
Certificate issued
2014-03-13
Airworthiness date
1973-01-05
Registration expires
2027-03-31
Airworthiness class
Standard · normal
Mode S (hex)
A4A842
Mode S (octal)
51124102
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

  • 2027-03-31
    Registration expires (renewal due).
  • 2014-03-13
    Certificate of registration issued as N4DH.
  • 1973-01-05
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1946
    Manufactured (1946).
Overview

About N4DH

N4DH is a 1946 Beechcraft D18S, serial number A-260. The FAA register lists Glenn L Martin Maryland Aviation Museum as the registrant in Baltimore, Maryland. The current certificate of registration was issued on March 13, 2014 and expires on March 31, 2027.

The FAA aircraft reference file describes the type as a twin piston, two Lycoming TIGO-541SER 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 (normal), dated January 5, 1973.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N4DH.

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 N4DH.

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 Maryland· 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.