# NTSB Accident CHI88DEX11
> **Continental Copters MK-5** · 1988-08-10 · REDKEY, IN, USA · FATL
## Event
- **NTSB number:** CHI88DEX11
- **Event ID:** 20001213X26484
- **Type:** Accident
- **Date:** 1988-08-10
- **Location:** REDKEY, IN, USA
- **Coordinates:** 40.429878, -84.979629
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Continental Copters
- **Model:** MK-5
- **Registration:** N25561
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

PHYSICAL IMPAIRMENT OF THE PILOT DUE TO DRUGS WHICH RESULTED IN A MISJUDGED APPROACH AND SUBSEQUENT CONTACT WITH TREES DURING THE APPROACH TO AN AERIAL APPLICATION SWATH RUN.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI88DEX11) · AI Analytics · CC0 1.0*