# NTSB Accident FTW91DRD05
> **BELL 47-D1** · 1991-05-26 · SUN, LA, USA · NONE
## Event
- **NTSB number:** FTW91DRD05
- **Event ID:** 20001212X16997
- **Type:** Accident
- **Date:** 1991-05-26
- **Location:** SUN, LA, USA
- **Coordinates:** 30.660148, -89.899299
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** BELL
- **Model:** 47-D1
- **Registration:** N339MC
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE TOTAL LOSS OF POWER FOR UNDETERMINED REASONS AND THE FAILURE OF THE PILOT TO MAINTAIN ROTOR RPM. A FACTOR WAS THE LACK OF SUITABLE TERRAIN.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW91DRD05) · AI Analytics · CC0 1.0*