# NTSB Accident CHI01FA231
> **World Helicopters 47D1** · 2001-07-22 · Ballard, MO, USA · FATL
## Event
- **NTSB number:** CHI01FA231
- **Event ID:** 20010726X01520
- **Type:** Accident
- **Date:** 2001-07-22
- **Location:** Ballard, MO, USA
- **Coordinates:** 38.434722, -94.109169
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** World Helicopters
- **Model:** 47D1
- **Registration:** N17301
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's improper preflight planning which resulted in fuel exhaustion, and the pilot's subsequent improper autorotation.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI01FA231) · AI Analytics · CC0 1.0*