# N450C: 1949 Trella T-21, registration cancelled 2020-12-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 8, 2020
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Trella T-21](https://openairdocs.org/model/trella-t-21) (registry code 0560140)
- 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: 106
- Year built: 1949
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 31, 1979
- Certificate issued: August 31, 2017
- Last registry action: August 31, 2017
- Mode S code: A5724E
- Owner when cancelled: [Darrow Russell E](https://openairdocs.org/faa-owner/DARROW%20RUSSELL%20E)
- Location: [Brackney, PA](https://openairdocs.org/faa-place/PA/Brackney)
- Owner type: Individual
- Owner's area on the map: 41.9761° N, 75.9715° W: Placed by OpenAirDocs at the center of ZIP code 18812, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N450C
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=450C
- Page: https://openairdocs.org/deregistered/N450C-2020-12-08

From the FAA registry file of November 12, 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 Trella T-21: https://openairdocs.org/model/trella-t-21.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 ERA19FA196](https://openairdocs.org/ntsb/ERA19FA196), Jun 17, 2019: Trella T-21 (N450C), Endicott, NY, substantial damage, 1 fatal. Probable cause: A partial loss of engine power for reasons that could not be determined, and the pilot's subsequent exceedance of the airplane's critical angle of attack during an attempted return to the runway,…

## 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 20190617007169A](https://openairdocs.org/incident/20190617007169A), Jun 17, 2019: Trella T-21 (N450C), Endicott, NY, Destroyed, 1 fatal. Prior to incident took 10 gallons of avgas 100LL. Fuel test good. Airport manager captured incident flight on video. Video depicted aircraft on normal takeoff…

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