# Hirth F-33

- Type: Engine model (FAA registry)
- Registry code: 33737
- Manufacturer (registry): HIRTH
- Model: F-33
- Engine type: 2 cycle
- Power: 28 hp
- Installed in: 4 registered aircraft
- Page: https://openairdocs.org/engine/hirth-f-33

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (4)

- [N19AP](https://openairdocs.org/aircraft/N19AP): [Gainesville Aircraft Sales Inc](https://openairdocs.org/faa-owner/GAINESVILLE%20AIRCRAFT%20SALES%20INC), [Gainesville, FL](https://openairdocs.org/faa-place/FL/Gainesville), built 2014, S/N 063 AB F33
- [N349LE](https://openairdocs.org/aircraft/N349LE): [Blevins Eric L](https://openairdocs.org/faa-owner/BLEVINS%20ERIC%20L), [Whitehall, OH](https://openairdocs.org/faa-place/OH/Whitehall), built 2018, S/N 001
- [N4530G](https://openairdocs.org/aircraft/N4530G): [Jewell David S](https://openairdocs.org/faa-owner/JEWELL%20DAVID%20S), [Olivehurst, CA](https://openairdocs.org/faa-place/CA/Olivehurst), built 2000, S/N MC-123
- [N4674A](https://openairdocs.org/aircraft/N4674A): [Haddox Victor D](https://openairdocs.org/faa-owner/HADDOX%20VICTOR%20D), [Belleville, WV](https://openairdocs.org/faa-place/WV/Belleville), built 2008, S/N 3206

## 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 ERA22LA025](https://openairdocs.org/ntsb/ERA22LA025), Oct 21, 2021: Pipistrel Apis-Bee (N812DS), Columbia, SC, substantial damage. Probable cause: The pilot’s failure to maintain control of the glider during the landing approach, which resulted in an aerodynamic stall and subsequent impact with the runway.
- [NTSB WPR09LA463](https://openairdocs.org/ntsb/WPR09LA463), Sep 24, 2009: Frazier Tangent (N72TZ), Nampa, ID, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain pitch control of the airplane.

## 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 20211021017229A](https://openairdocs.org/incident/20211021017229A), Oct 21, 2021: Pipistrel D O O Ajdovscina APIS BEE (N812DS), Columbia, SC, Substantial damage. Airman was landing (first flight) in this make and model with engine stowed. Airman was slipping the aircraft with air brakes deployed and initiated an…
- [Incident 20100531005459I](https://openairdocs.org/incident/20100531005459I), May 31, 2010: Mccallum Fr LIGHT MINIA (N56072), Scappoose, OR, Minor damage. Propeller drive belt broke directly over airport at 1500'. Non-certificated pilot not able to land on airport property.
- [Accident 20090923018329A](https://openairdocs.org/incident/20090923018329A), Sep 23, 2009: Frazie TANGENT (N72TZ), Nampa, ID, Substantial damage, 1 fatal. During high speed taxi test on runway 11, N72TZ a frazier allen Tangent, and aircraft of the pilots own design and construction, the pilot lost control of the…

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