# NTSB Accident BFO90LA041
> **HILLER UH-12ET** · 1990-05-01 · BROOKNEAL, VA, USA · NONE
## Event
- **NTSB number:** BFO90LA041
- **Event ID:** 20001212X23080
- **Type:** Accident
- **Date:** 1990-05-01
- **Location:** BROOKNEAL, VA, USA
- **Coordinates:** 37.050712, -78.940216
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** HILLER
- **Model:** UH-12ET
- **Registration:** N4034Z
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S IMPROPER PREFLIGHT AND IMPROPER IN-FLIGHT PLANNING/DECISION. PILOT FATIGUE WAS A RELATED FACTOR.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=BFO90LA041) · MORVS · CC0 1.0*