# N199S: 1974 Clardy THORP T-18, registration cancelled 1980-09-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 23, 1980
- Status when cancelled: Valid registration
- Airframe: [Clardy THORP T-18](https://openairdocs.org/model/clardy-thorp-t-18) (registry code 8951052)
- Serial number: 5
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Certificate issued: November 26, 1975
- Mode S code: A18B2A
- Owner when cancelled: [Clardy Glennis S](https://openairdocs.org/faa-owner/CLARDY%20GLENNIS%20S)
- Location: [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas)
- Owner type: Individual
- Owner's area on the map: 32.8403° N, 96.7040° W: Placed by OpenAirDocs at the center of ZIP code 75218, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N199S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=199S
- Page: https://openairdocs.org/deregistered/N199S-1980-09-23

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 Clardy THORP T-18: https://openairdocs.org/model/clardy-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 FTW79FPA12](https://openairdocs.org/ntsb/FTW79FPA12), Mar 11, 1979: Thorp TA-18 (N199S), Allen, TX, destroyed, 1 fatal

## 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 19790311004539A](https://openairdocs.org/incident/19790311004539A), Mar 11, 1979: Amtrth THORPT18 (N199S), Allen, TX, Destroyed. Aircraft made right turn after takeoff and descended into the ground after 180 degree turn. Cause unknown.

## Other aircraft with N199S

- [Registered now](https://openairdocs.org/aircraft/N199S): Patterson Ernest L RV-6A, S/N 24831, built 2000

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