# Hirth 2704

- Type: Engine model (FAA registry)
- Registry code: 33704
- Manufacturer (registry): HIRTH
- Model: 2704
- Engine type: 2 cycle
- Horsepower: 40
- Installed in: 6 registered aircraft
- Page: https://openairdocs.org/engine/hirth-2704

## ADs that may apply

None matched.

## NTSB investigations (2)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN09LA494](https://openairdocs.org/ntsb/CEN09LA494), Jul 24, 2009: Crisman Flightstar Iisc (N5008E), Malta, IL, substantial damage. Probable cause: The loss of engine power due to the separation of the flywheel, resulting in a high-cycle fatigue fracture of the crankshaft following takeoff, which resulted in a forced landing on an agricultural…
- [NTSB SEA08CA189](https://openairdocs.org/ntsb/SEA08CA189), Aug 17, 2008: Aeros Venture (N707TN), Maricopa, AZ, substantial damage. Probable cause: The pilot's selection of unsuitable terrain for a precautionary landing and subsequent takeoff attempt, and his misjudging of the required takeoff distance. The soft terrain was a factor.

## 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; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20090723017719A](https://openairdocs.org/incident/20090723017719A), Jul 23, 2009: Amtr FLIGHTSTARII (N5008E), Malta, IL, Substantial damage. On July 23, 2009 at 1900 gmt with visual meteorological conditions, an experimental light sport aircraft, a crisman harry, model flightstar ii, N5008E,…
- [Accident 20080817851859A](https://openairdocs.org/incident/20080817851859A), Aug 17, 2008: Aerosl VENTURE (N707TN), Casa Grande, AZ, Substantial damage. (-23) Pilot indicated he was filming horses with a camera that was mounted on the right wing. He said the engine had a "flat spot". He said the engine was at…

## Complete lists

- aircraft: 6, https://openairdocs.org/engine/hirth-2704/aircraft
- incidents: 2, https://openairdocs.org/engine/hirth-2704/incidents

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.