Single-engine piston

N4420K

Homebuilt P-40E

Registered 2 NTSB/FAA records
Built
—
Serial
AK75315134
Class
Single-engine piston
Engines
1
Status
Current as of October 2026
Registered owner
Rare Birds Montana LLC (LLC)
Based
Hamilton, MT
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Registration record

N4420K on the FAA register

Type
Homebuilt P-40E
Serial
AK75315134
Engines
1
Registered owner
Rare Birds Montana LLC
Hamilton, MT
Certificate issued
2023-01-24
Airworthiness date
—
Registration expires
2030-01-31
Airworthiness class
—
Mode S (hex)
A5546D
Mode S (octal)
51252155
Seats (type)
1
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-01-31
    Registration expires (renewal due).
  • 2023-06-27
    Accident at Hamilton, MT; damage: substantial.
  • 2023-01-24
    Certificate of registration issued as N4420K to the current registrant.
  • 2009-10-24
    Incident at Lincoln, NE; damage: minor.
  • 1991-10-15
    N4420K previously assigned to a Homebuilt Guppy SNS2 (s/n 233); cancelled.
Overview

About N4420K

N4420K is a Homebuilt P-40E, serial number AK75315134. The FAA register lists Rare Birds Montana LLC as the registrant in Hamilton, Montana. The current certificate of registration was issued on January 24, 2023 and expires on January 31, 2030.

The FAA aircraft reference file describes the type as a single-engine piston and 1 seats.

N4420K has 2 accident/incident records on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2023-06-27 Accident · Hamilton, MT Damage: Substantial Fatal injury NTSB · WPR23FA244
Reported aircraft: Curtiss Wright P-40E
Probable cause: A loss of engine power for undetermined reasons.
2009-10-24 Incident · Lincoln, NE Damage: Minor NTSB · CEN10IA030
Reported aircraft: Curtiss Wright P-40E
Probable cause: The right landing gear's partial retraction during landing due to paint contamination of the landing gear handle detent.

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

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Browse: Aircraft registered in Montana· 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.