# N8613A: 1969 Thorp T-18, registration cancelled 2009-10-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 1, 2009
- Status when cancelled: Triennial form not returned
- Airframe: [Thorp T-18](https://openairdocs.org/model/thorp-t-18) (registry code 89510S6)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 48
- Year built: 1969
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: March 30, 1989
- Certificate issued: September 23, 1997
- Last registry action: September 15, 2009
- Mode S code: ABD550
- Owner when cancelled: [Thompson Roger N](https://openairdocs.org/faa-owner/THOMPSON%20ROGER%20N)
- Location: [Kent, WA](https://openairdocs.org/faa-place/WA/Kent)
- Owner type: Individual
- Owner's area on the map: 47.3635° N, 122.1183° W: Placed by OpenAirDocs at the center of ZIP code 98042, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N8613A
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8613A
- Page: https://openairdocs.org/deregistered/N8613A-2009-10-01

From the FAA registry file of November 3, 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 Thorp T-18: https://openairdocs.org/model/thorp-t-18.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 SEA08LA127](https://openairdocs.org/ntsb/SEA08LA127), May 9, 2008: Thorp T-18 (N8613A), Kent, WA, substantial damage, 1 fatal. Probable cause: The loss of engine power for undetermined reasons. Contributing to the accident were the lack of a suitable landing area and the pilot's failure to maintain an adequate airspeed while maneuvering in…

## 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 20080509837109A](https://openairdocs.org/incident/20080509837109A), May 9, 2008: Amtr T18 (N8613A), Kent, WA, Destroyed, 1 fatal. (-23) This was the pilot's first flight of the airplane after being in storage since April 6, 2007. On may 1, 2007, the engine carburetor was replaced with an…

## Other aircraft with N8613A

- [Registered now](https://openairdocs.org/aircraft/N8613A): Cirrus Design SR22, S/N 1344, built 2005
- [Cancelled 1959-02-12](https://openairdocs.org/deregistered/N8613A-1959-02-12): Beech D18S, S/N A-539. Owner: [Beech Aircraft Corp](https://openairdocs.org/faa-owner/BEECH%20AIRCRAFT%20CORP)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.