Single-engine piston

N172

1976 Homebuilt Thorp T-18

Registered No accidents on file
Built
1976
Serial
762
Class
Single-engine piston
Engines
Lycoming O-320 series
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Leavenworth, KS
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Registration record

N172 on the FAA register

Type
1976 Homebuilt Thorp T-18
Serial
762
Engines
Lycoming O-320 series
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Leavenworth, KS
Certificate issued
2004-04-07
Airworthiness date
1979-02-21
Registration expires
2030-04-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A1209A
Mode S (octal)
50220232
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2030-04-30
    Registration expires (renewal due).
  • 2004-04-07
    Certificate of registration issued as N172.
  • 1979-02-21
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 1976
    Manufactured (1976).
Overview

About N172

N172 is a 1976 Homebuilt Thorp T-18, serial number 762. It is registered to an individual in Leavenworth, Kansas. The current certificate of registration was issued on April 7, 2004 and expires on April 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 February 21, 1979.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N172.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N172.

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

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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.