# NTSB Accident ANC90FA117
> **BELL 206L-1** · 1990-07-14 · FAREWELL, AK, USA · SERS
## Event
- **NTSB number:** ANC90FA117
- **Event ID:** 20001212X23568
- **Type:** Accident
- **Date:** 1990-07-14
- **Location:** FAREWELL, AK, USA
- **Coordinates:** 55.920726, -159.490539
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 5
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 5
## Aircraft
- **Make:** BELL
- **Model:** 206L-1
- **Registration:** N300AH
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

AN INTERNAL ENGINE FAILURE DUE TO A THERMAL FATIGUE FAILURE OF THE 1ST STAGE TURBINE WHEEL AS A RESULT OF OVERTEMPERATURE. THE HIGH ROUGH/UNEVEN TERRAIN PREVENTED A SUCCESSFUL AUTOROTATION.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC90FA117) · AI Analytics · CC0 1.0*