Single-engine piston

N51863

1980 Homebuilt Thorp T-18

Registered No accidents on file
Built
1980
Serial
46
Class
Single-engine piston
Engines
Lycoming O-320 series
Status
Current as of October 2026
Registered owner
Individual · sign in to see
Based
Argyle, TX
Registration record

N51863 on the FAA register

Type
1980 Homebuilt Thorp T-18
Serial
46
Engines
Lycoming O-320 series
Registered owner
Individual — the name of an individual registrant is shown to signed-in users. Sign in
Argyle, TX
Certificate issued
1989-06-30
Airworthiness date
1980-05-15
Registration expires
2027-08-31
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A6826D
Mode S (octal)
51501155
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-08-31
    Registration expires (renewal due).
  • 1989-06-30
    Certificate of registration issued as N51863 to the current registrant.
  • 1980-05-15
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 1948-10-19
    N51863 previously assigned to a Curtiss Wright C-46A (s/n 245); cancelled.
Overview

About N51863

N51863 is a 1980 Homebuilt Thorp T-18, serial number 46. It is registered to an individual in Argyle, Texas. The current certificate of registration was issued on June 30, 1989 and expires on August 31, 2027.

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 May 15, 1980.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N51863.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N51863.

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.