# N33TB: 1981 Brown Thomas E THORP T-18, registration cancelled 2022-10-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 1, 2022
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Brown Thomas E THORP T-18](https://openairdocs.org/model/brown-thomas-e-thorp-t-18) (registry code 89510D6)
- Engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514)
- Serial number: 915
- Year built: 1981
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 17, 1988
- Certificate issued: June 18, 2019
- Last registry action: June 18, 2019
- Mode S code: A39521
- Owner when cancelled: [Mueller Robert F](https://openairdocs.org/faa-owner/MUELLER%20ROBERT%20F)
- Location: [Sarasota, FL](https://openairdocs.org/faa-place/FL/Sarasota)
- Owner type: Individual
- Owner's area on the map: 27.2367° N, 82.4708° W: Placed by OpenAirDocs at the center of ZIP code 34238, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N33TB
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=33TB
- Page: https://openairdocs.org/deregistered/N33TB-2022-10-01

From the FAA registry file of November 5, 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 Brown Thomas E THORP T-18: https://openairdocs.org/model/brown-thomas-e-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 ERA11LA028](https://openairdocs.org/ntsb/ERA11LA028), Jul 19, 2009: Brown Thomas E Thorp T-18 (N33TB), Lake Como, FL, substantial damage. Probable cause: The pilot's delayed decision to execute a go-around while landing with variable wind, which resulted in a runway overrun.

## FAA accident and incident reports (2)

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 20090719857299A](https://openairdocs.org/incident/20090719857299A), Jul 19, 2009: Brown Thoma THORP T-18 (N33TB), Lake Como, FL, Substantial damage. Information is from [privacy data omitted] a passenger who was on a/c and reported accident in 10/07/2010 that happened on 07/19/2009. Was offered a ride in…
- [Incident 19840820048879I](https://openairdocs.org/incident/19840820048879I), Aug 20, 1984: Amtrth THORPT18 (N33TB), Farmingdale, NY, Minor damage. Used too much braking to turn at a taxiway on the landing roll. Aircraft nosed up.

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