# NTSB Accident ATL90GA010
> **HILLER UH-12D** · 1989-10-23 · MENTOR, OH, USA · SERS
## Event
- **NTSB number:** ATL90GA010
- **Event ID:** 20001213X29525
- **Type:** Accident
- **Date:** 1989-10-23
- **Location:** MENTOR, OH, USA
- **Coordinates:** 41.689479, -81.330116
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 2
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** HILLER
- **Model:** UH-12D
- **Registration:** N63LC
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

IMPROPER IN-FLIGHT PLANNING/DECISION BY THE PILOT. FACTORS RELATED TO THE ACCIDENT WERE: THE PILOT'S IMPROPER COMPENSATION FOR WIND CONDITIONS AND TREES.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ATL90GA010) · AI Analytics · CC0 1.0*