# NTSB Accident WPR09LA144
> **MD HELICOPTER 369D** · 2009-03-07 · Trona, CA, USA · MINR
## Event
- **NTSB number:** WPR09LA144
- **Event ID:** 20090308X11919
- **Type:** Accident
- **Date:** 2009-03-07
- **Location:** Trona, CA, USA
- **Coordinates:** 36.216667, -117.083885
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 3
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** MD HELICOPTER
- **Model:** 369D
- **Registration:** N501EF
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain control while landing in a high density altitude environment due to a loss of tail rotor effectiveness.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR09LA144) · AI Analytics · CC0 1.0*