# NTSB Accident SEA93LA135
> **BELL 206B** · 1993-06-20 · HARLEM, MT, USA · MINR
## Event
- **NTSB number:** SEA93LA135
- **Event ID:** 20001211X12725
- **Type:** Accident
- **Date:** 1993-06-20
- **Location:** HARLEM, MT, USA
- **Coordinates:** 48.489986, -108.650192
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** BELL
- **Model:** 206B
- **Registration:** N33EA
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DUSK
- **Weather:** VMC
## Probable cause

THE IMPROPER REFUELING SYSTEM PROCEDURES WHICH ALLOWED WATER TO CONTAMINATE THE AIRCRAFT FUEL AND THE PILOT'S INADEQUATE PREFLIGHT.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA93LA135) · AI Analytics · CC0 1.0*