Single-engine piston

N139G

1979 Homebuilt T-18

Registered No accidents on file
Built
1979
Serial
375
Class
Single-engine piston
Engines
Lycoming O-320 series
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Oro Valley, AZ
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Registration record

N139G on the FAA register

Type
1979 Homebuilt T-18
Serial
375
Engines
Lycoming O-320 series
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Oro Valley, AZ
Certificate issued
2023-09-11
Airworthiness date
1993-10-08
Registration expires
2030-09-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A09D36
Mode S (octal)
50116466
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-09-30
    Registration expires (renewal due).
  • 2023-09-11
    Certificate of registration issued as N139G to the current registrant.
  • 1993-10-08
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 1979
    Manufactured (1979).
  • 1969-09-04
    N139G previously assigned to a Homebuilt DSA-1 (s/n 101); cancelled.
Overview

About N139G

N139G is a 1979 Homebuilt T-18, serial number 375. It is registered to an individual in Oro Valley, Arizona. The current certificate of registration was issued on September 11, 2023 and expires on September 30, 2030.

The FAA aircraft reference file describes the type as a single-engine piston, one Lycoming O-320 series engine and 2 seats. Its airworthiness certificate is experimental category (amateur-built), dated October 8, 1993.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N139G.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N139G.

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 Arizona· 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.