# NTSB Accident WPR11LA220
> **MD HELICOPTER 369D** · 2011-05-13 · Columbia, CA, USA · NONE
## Event
- **NTSB number:** WPR11LA220
- **Event ID:** 20110509X10102
- **Type:** Accident
- **Date:** 2011-05-13
- **Location:** Columbia, CA, USA
- **Coordinates:** 38.121665, -119.767501
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** MD HELICOPTER
- **Model:** 369D
- **Registration:** N124AL
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The loss of power transmission to the main rotor for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation of the helicopter.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR11LA220) · AI Analytics · CC0 1.0*