# NTSB Accident CHI90MA244
> **BELL 206B** · 1990-08-27 · ELKHORN, WI, USA · FATL
## Event
- **NTSB number:** CHI90MA244
- **Event ID:** 20001212X23968
- **Type:** Accident
- **Date:** 1990-08-27
- **Location:** ELKHORN, WI, USA
- **Coordinates:** 42.670883, -88.539619
## Injuries
- **Highest injury:** FATL
- **Fatal:** 5
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 5
## Aircraft
- **Make:** BELL
- **Model:** 206B
- **Registration:** N16933
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** NDRK
- **Weather:** Unk
## Probable cause

IMPROPER PLANNING/DECISION BY THE PILOT, AND HIS FAILURE TO ATTAIN ADEQUATE ALTITUDE BEFORE FLYING OVER RISING TERRAIN AT NIGHT.  FACTORS RELATED TO THE ACCIDENT WERE:  DARKNESS, FOG, HAZE, RISING TERRAIN, AND THE LACK OF VISUAL CUES THAT WERE AVAILABLE TO THE PILOT.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI90MA244) · AI Analytics · CC0 1.0*