# Accident 20080415836209A: Snias AS350B2, Chickaloon, AK, April 15, 2008

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 15, 2008, 09:30 local time
- Place: Chickaloon, AK
- Damage: Destroyed
- Phase of flight: Takeoff: Rotation
- Operating rules: Air taxi and commuter (Part 135)
- Operator: U0GA
- Location: 61.8383° N, 147.3769° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=61.8383&lon=-147.3769&mi=10
- Aircraft: N213EH, a cancelled registration (https://openairdocs.org/deregistered/N213EH-2017-05-24) (OpenAirDocs)
- Registry model: Eurocopter AS 350 B2 (registry code 8680950, https://openairdocs.org/model/eurocopter-as-350-b2) (OpenAirDocs)
- Registry engine: Turbomeca ARRIEL-1SER (registry code 60030, https://openairdocs.org/engine/turbomeca-arriel-1ser) (OpenAirDocs)
- Reported make and model: SNIAS AS350B2
- Reported engine: TMECA ARRIEL1D
- People aboard: 4
- Fatal injuries: 4
- Pilot certificates: Commercial pilot
- Pilot flight hours: 3,755 total, 1,897 in this make and model, 50 in the last 90 days
- NTSB investigation: [NTSB ANC08FA053](https://openairdocs.org/ntsb/ANC08FA053) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20080415836209A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

(-23) AIRCRAFT DEPARTED FROM REST AREA AT MILE 119 ON GLENN HIGHWAY WITH 5 S.O.B. A DRIVER ON THE HIGHWAY, GOING TOWARD GLENNALLEN, REPORTED THE WEATHER AS NO PRECIPITATION AND THE CEILING AS INDETERMINATE BUT AIRCRAFT NEVER ENTERED THE CLOUDS. WITNESS SAID THE AIRCRAFT WAS PARALLELING THE ROAD ABOUT A MILE FROM IT, COMING TOWARDS HIM, ANDHE OBSERVED THE AIRCRAFT EXECUTE A HARD R/H TURN AND DISAPPEAR BEHIND TREES INTO A RAVINE. HE SAW NO EVIDENCE THAT THE AIRCRAFT CRASHED BUT THOUGHT AT THE TIME IT APPEARED TO BE AN ODD MANUEVER. AIRCRAFT IMPACTED AN APPROXIMATELY 45 DEGREE SLOPE. THE AIRCRAFT CAME DOWN AND TO THE RIGHT VERY FAST AND HARD. IT WAS A VERY HIGH G FORCE IMPACT. AIRCRAFT APPEARED TO HAVE A LOW ROTOR RPM WHEN IT CONTACTED THE HILL SIDE.

## The NTSB's investigation of this event (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 ANC08FA053](https://openairdocs.org/ntsb/ANC08FA053), Apr 15, 2008: Eurocopter AS 350 B2 (N213EH), Chickaloon, AK, substantial damage, 4 fatal. Probable cause: An in-flight overtorque of the engine-to-transmission driveshaft resulting in disconnection of the main transmission from the engine. The overtorque likely occurred due to an in-flight main rotor…

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. For accidents, the NTSB's own investigation is the fuller record.

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