# NTSB Accident WPR12TA436
> **MCDONNELL DOUGLAS HELI CO 369FF** · 2012-09-24 · Las Vegas, NV, USA · MINR
## Event
- **NTSB number:** WPR12TA436
- **Event ID:** 20120924X13230
- **Type:** Accident
- **Date:** 2012-09-24
- **Location:** Las Vegas, NV, USA
- **Coordinates:** 36.207221, -115.184448
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** MCDONNELL DOUGLAS HELI CO
- **Model:** 369FF
- **Registration:** N911BL
- **FAR Part:** PUBU
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s failure to maintain sufficient airspeed while performing a 270-degree practice autorotation with a gusting tailwind at a high-density altitude.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR12TA436) · AI Analytics · CC0 1.0*