Twin piston

N23DF

1944 Beechcraft C18S

Registered No accidents on file
Built
1944
Serial
6220
Class
Twin piston
Engines
2 × Pratt & Whitney R-985 series
Status
Current as of October 2026
Registered owner
Simmons Aviation Services LLC (LLC)
Based
Pawcatuck, CT
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Registration record

N23DF on the FAA register

Type
1944 Beechcraft C18S
Serial
6220
Engines
2 × Pratt & Whitney R-985 series
Registered owner
Simmons Aviation Services LLC
Pawcatuck, CT
Certificate issued
2025-12-02
Airworthiness date
1999-10-13
Registration expires
2032-12-31
Airworthiness class
Standard · normal
Mode S (hex)
A20678
Mode S (octal)
50403170
Seats (type)
10
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2032-12-31
    Registration expires (renewal due).
  • 2025-12-02
    Certificate of registration issued as N23DF to the current registrant.
  • 2016-11-16
    N23DF previously assigned to a Grumman G-21A (s/n 1133); cancelled.
  • 1999-10-13
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1944
    Manufactured (1944).
Overview

About N23DF

N23DF is a 1944 Beechcraft C18S, serial number 6220. The FAA register lists Simmons Aviation Services LLC as the registrant in Pawcatuck, Connecticut. The current certificate of registration was issued on December 2, 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. Its airworthiness certificate is standard category (normal), dated October 13, 1999.

No NTSB accident or incident reports and no FAA preliminary notices are on file for this airframe as N23DF. 1 earlier record involves a different aircraft that carried the same N-number.

Safety record

Accident & incident history

1977-12-13 Accident · Miami Lakes,Fl, 09 Damage: Destroyed NTSB · 3 4038
Reported aircraft: Grumman G-21 — a different aircraft that carried the N23DF registration before this airframe.

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 Connecticut· 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.