# NTSB Accident WPR14TA370
> **EUROCOPTER AS 350 B3** · 2014-09-05 · Lincoln, CA, USA · NONE
## Event
- **NTSB number:** WPR14TA370
- **Event ID:** 20140909X94230
- **Type:** Accident
- **Date:** 2014-09-05
- **Location:** Lincoln, CA, USA
- **Coordinates:** 38.909168, -121.351387
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** EUROCOPTER
- **Model:** AS 350 B3
- **Registration:** N217HP
- **FAR Part:** PUBU
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DUSK
- **Weather:** VMC
## Probable cause

The failure of the engine to provide sufficient power when commanded by the pilot during the power recovery phase of a practice autorotation for reasons that could not be determined because postaccident examination revealed no mechanical malfunctions or failures that would have precluded normal operation.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR14TA370) · AI Analytics · CC0 1.0*