# NTSB Accident ANC03LA083
> **Maule M-4** · 2003-07-20 · KOBUK, AK, USA · MINR
## Event
- **NTSB number:** ANC03LA083
- **Event ID:** 20030804X01255
- **Type:** Accident
- **Date:** 2003-07-20
- **Location:** KOBUK, AK, USA
- **Coordinates:** 66.943336, -156.904724
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Maule
- **Model:** M-4
- **Registration:** N40344
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's inadvertent use of diesel fuel in a gasoline engine which resulted in a partial loss of engine power, and subsequent collision with trees during a forced landing after takeoff.  A factor contributing to the accident was the pilot's inadequate preflight inspection of the airplane that failed to detect the presence of diesel fuel in the fuel supply.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC03LA083) · AI Analytics · CC0 1.0*