# N83MK: 1984 Lipscomb Karl THORP T-18CW, registration cancelled 2006-03-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 7, 2006
- Status when cancelled: Second triennial mailing, no response
- Airframe: [Lipscomb Karl THORP T-18CW](https://openairdocs.org/model/lipscomb-karl-thorp-t-18cw) (registry code 89510H7)
- Engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514)
- Serial number: 1367
- Year built: 1984
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 24, 1984
- Certificate issued: April 4, 1991
- Last registry action: May 25, 1994
- Mode S code: AB571E
- Owner when cancelled: [French James W](https://openairdocs.org/faa-owner/FRENCH%20JAMES%20W)
- Location: [Wimberley, TX](https://openairdocs.org/faa-place/TX/Wimberley)
- Owner type: Individual
- Owner's area on the map: 30.0387° N, 98.1596° W: Placed by OpenAirDocs at the center of ZIP code 78676, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N83MK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=83MK
- Page: https://openairdocs.org/deregistered/N83MK-2006-03-07

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Lipscomb Karl THORP T-18CW: https://openairdocs.org/model/lipscomb-karl-thorp-t-18cw.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB FTW91LA117](https://openairdocs.org/ntsb/FTW91LA117), Jul 5, 1991: Thorp T-18CW (N83MK), Wimberley, TX, substantial damage. Probable cause: THE FAILURE OF THE AIRPORT PERSONNEL TO MAINTAIN THE AIRSTRIP IN AN OPERABLE CONDITION AND THE PILOTS FAILURE TO MAINTAIN RUNWAY ALIGNMENT ON TOUCHDOWN.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19910705026429A](https://openairdocs.org/incident/19910705026429A), Jul 5, 1991: Amtrth THORPT18 (N83MK), Winberly, TX, Substantial damage. Failed maintain center off narrow grass strip landing. Wing hit tall weeds veered into ant mound. Flipped over.

## Other aircraft with N83MK

- [Registered now](https://openairdocs.org/aircraft/N83MK): Cirrus Design SF50, S/N 0198, built 2020
- [Cancelled 2010-10-28](https://openairdocs.org/deregistered/N83MK-2010-10-28): Beech C90, S/N LJ1077, built 1984. Exported to Brazil. Owner: [A & A Aviation Inc](https://openairdocs.org/faa-owner/A%20%26%20A%20AVIATION%20INC), [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale)

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