# N66MY: 1970 Davidson-Thorp T-18, registration cancelled 2013-05-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 29, 2013
- Status when cancelled: Sale reported, pending cancellation
- Airframe: [Davidson-Thorp T-18](https://openairdocs.org/model/davidson-thorp-t-18) (registry code 89510GN)
- Engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506)
- Data sheets: [TCDS E-229](https://openairdocs.org/tcds/E-229) (OpenAirDocs)
- Serial number: 588-D
- Year built: 1970
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 26, 1982
- Last registry action: March 9, 2005
- Mode S code: A8B30A
- Location: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)
- Owner type: Individual
- Owner's area on the map: 35.4676° N, 97.5164° W: Placed by OpenAirDocs: center of Oklahoma City, OK, within about 14 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N66MY
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=66MY
- Page: https://openairdocs.org/deregistered/N66MY-2013-05-29

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 Davidson-Thorp T-18: https://openairdocs.org/model/davidson-thorp-t-18.md

## NTSB investigations (2)

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 LAX04LA033](https://openairdocs.org/ntsb/LAX04LA033), Nov 2, 2003: Davidson-Thorpe T-18 (N66MY), Coalinga, CA, substantial damage. Probable cause: the pilot's improper recovery from a bounced landing, and hi failure to maintain directional control during landing rollout.
- [NTSB LAX90DUQ01](https://openairdocs.org/ntsb/LAX90DUQ01), Jan 6, 1990: Davidson Throp T-18 (N66MY), Camarillo, CA, substantial damage. Probable cause: PILOTS FAILURE TO MAINTAIN DIRECTIONAL CONTROL WHILE LANDING IN A CROSSWIND.

## FAA accident and incident reports (3)

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 20031102027379A](https://openairdocs.org/incident/20031102027379A), Nov 2, 2003: Amtr T18 (N66MY), Coalinga, CA, Substantial damage. (-23) After landing on runway 32 at Harris ranch (3O8), Coalinga, California, N66MY, a davidson-thorp T-18 veered off the left side of the runway into a dirt…
- [Accident 19900106000159A](https://openairdocs.org/incident/19900106000159A), Jan 6, 1990: Amtrth THORPT18 (N66MY), Camarillo, CA, Substantial damage. Lost control landing in crosswind,skidded 200 feet,sheared off VASI light and flipped over.
- [Incident 19871123075599I](https://openairdocs.org/incident/19871123075599I), Nov 23, 1987: Amtrth THORPT18 (N66MY), Santa Paula ___, CA, Minor damage. Lost directional control of aircraft on rollout. Left runway. Struck two parked aircraft.

---
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.
