# N1940H: 1940 Bucker BU-133, registration cancelled 2024-09-28

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 28, 2024
- Status when cancelled: Sale reported, canceled
- Airframe: [Bucker BU-133](https://openairdocs.org/model/bucker-bu-133) (registry code 1590312)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 37
- Year built: 1940
- Type of aircraft: Fixed wing single engine
- Airworthiness: Experimental, exhibition
- Airworthiness date: June 22, 2016
- Last registry action: December 29, 2023
- Mode S code: A17967
- Location: [Oklahom City, OK](https://openairdocs.org/faa-place/OK/Oklahom%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/N1940H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1940H
- Page: https://openairdocs.org/deregistered/N1940H-2024-09-28

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 Bucker BU-133: https://openairdocs.org/model/bucker-bu-133.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 ERA22LA294](https://openairdocs.org/ntsb/ERA22LA294), Jun 24, 2022: Bucker BU-133 (N1940H), Hartford, KY, substantial damage. Probable cause: The pilot’s exceedance of the airplane’s critical angle of attack during the initial climb, which resulted in an aerodynamic stall during an attempted return to the runway.
- [NTSB FTW76DRG85](https://openairdocs.org/ntsb/FTW76DRG85), Aug 22, 1976: Bucker BU-133 (N1940H), Cibolo, TX, substantial damage

## 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 20220624011039A](https://openairdocs.org/incident/20220624011039A), Jun 24, 2022: Bucker BU-133 (N1940H), Hartford, KY, Substantial damage. While executing a left turn/bank, the aircraft went into a stall and impacted the ground at approximately 100 yards off the end of runway 21.
- [Accident 19760822025479A](https://openairdocs.org/incident/19760822025479A), Aug 22, 1976: Buker JUNGMISTR1 (N1940H), Cibolo, TX, Substantial damage. Density alt 3000FT. Late spin recovery.

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