# NTSB Accident DEN03LA098
> **Helio H800** · 2003-06-07 · Cody, WY, USA · MINR
## Event
- **NTSB number:** DEN03LA098
- **Event ID:** 20030611X00849
- **Type:** Accident
- **Date:** 2003-06-07
- **Location:** Cody, WY, USA
- **Coordinates:** 44.520278, -109.023887
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 2
- **Total aboard:** 3
## Aircraft
- **Make:** Helio
- **Model:** H800
- **Registration:** N4035K
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

the pilot's improper preflight planning and his failure to maintain aircraft control when returning to the airport.  Factors contributing to the accident were the oil leak, the attempted precautionary landing, and the downdraft.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN03LA098) · AI Analytics · CC0 1.0*