Single-engine piston

N600HH

1974 Homebuilt Thorp T-18

Registered 1 NTSB/FAA record
Built
1974
Serial
600
Class
Single-engine piston
Engines
Lycoming O-320 series
Status
Current as of October 2026
Registered owner
Fleming Mike R + 1 co-owner (Partnership)
Based
Troy, MO
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Registration record

N600HH on the FAA register

Type
1974 Homebuilt Thorp T-18
Serial
600
Engines
Lycoming O-320 series
Registered owner
Fleming Mike R + 1 co-owner
Troy, MO
Certificate issued
2011-11-28
Airworthiness date
1979-06-01
Registration expires
2027-11-30
Airworthiness class
Experimental · amateur-built
Mode S (hex)
A7C7F6
Mode S (octal)
51743766
Seats (type)
2
Weight class
up to 12,499 lb
Status
Current as of October 2026
Registry history

Timeline

  • 2027-11-30
    Registration expires (renewal due).
  • 2018-02-08
    Accident at Troy, MO; damage: substantial.
  • 2011-11-28
    Certificate of registration issued as N600HH.
  • 1979-06-01
    Airworthiness date on the current FAA record (experimental category (amateur-built)).
  • 1974
    Manufactured (1974).
Overview

About N600HH

N600HH is a 1974 Homebuilt Thorp T-18, serial number 600. The FAA register lists Fleming Mike R + 1 co-owner as the registrant in Troy, Missouri. The current certificate of registration was issued on November 28, 2011 and expires on November 30, 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 June 1, 1979.

N600HH has 1 accident/incident record on file (most serious damage: substantial); details are below.

Safety record

Accident & incident history

2018-02-08 Accident · Troy, MO Damage: Substantial Serious injury NTSB · CEN18LA095
Reported aircraft: Henderson Thorp T 18
Probable cause: The pilot's failure to maintain adequate clearance from trees while landing in crosswind conditions.

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.