Single-engine piston

N439FK

1923 Homebuilt Fokker C-4

Registered No accidents on file
Built
1923
Serial
4127
Class
Single-engine piston
Engines
Ama/Expr UNKNOWN ENG
Status
Current as of October 2026
Registered owner
Owls Head Transportation Museum (Corporation)
Based
Owls Head, ME
Registration record

N439FK on the FAA register

Type
1923 Homebuilt Fokker C-4
Serial
4127
Engines
Ama/Expr UNKNOWN ENG
Registered owner
Owls Head Transportation Museum
Owls Head, ME
Certificate issued
1995-10-11
Airworthiness date
1998-10-08
Registration expires
2029-01-31
Airworthiness class
Experimental · exhibition
Mode S (hex)
A54514
Mode S (octal)
51242424
Seats (type)
4
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2029-01-31
    Registration expires (renewal due).
  • 1998-10-08
    Airworthiness date on the current FAA record (experimental category (exhibition)).
  • 1995-10-11
    Certificate of registration issued as N439FK.
  • 1923
    Manufactured (1923).
Overview

About N439FK

N439FK is a 1923 Homebuilt Fokker C-4, serial number 4127. The FAA register lists Owls Head Transportation Museum as the registrant in Owls Head, Maine. The current certificate of registration was issued on October 11, 1995 and expires on January 31, 2029.

The FAA aircraft reference file describes the type as a single-engine piston, one Ama/Expr UNKNOWN ENG engine and 4 seats. Its airworthiness certificate is experimental category (exhibition), dated October 8, 1998.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N439FK.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N439FK.

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

Same state

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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.