Single-engine piston

N59GP

1984 Homebuilt GP-4

Registered No accidents on file
Built
1984
Serial
1
Class
Single-engine piston
Engines
Lycoming I0360 SER A&C
Status
Current as of October 2026
Registered owner
Aerospace Museum of California (Corporation)
Based
Mcclellan, CA
Registration record

N59GP on the FAA register

Type
1984 Homebuilt GP-4
Serial
1
Engines
Lycoming I0360 SER A&C
Registered owner
Aerospace Museum of California
Mcclellan, CA
Certificate issued
2017-03-14
Airworthiness date
1984-07-09
Registration expires
2027-03-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A79BB2
Mode S (octal)
51715662
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-03-31
    Registration expires (renewal due).
  • 2017-03-14
    Certificate of registration issued as N59GP.
  • 1984-07-09
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
Overview

About N59GP

N59GP is a 1984 Homebuilt GP-4, serial number 1. The FAA register lists Aerospace Museum of California as the registrant in Mcclellan, California. The current certificate of registration was issued on March 14, 2017 and expires on March 31, 2027.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming I0360 SER A&C engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated July 9, 1984.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N59GP.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N59GP.

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.