# NTSB Accident DEN89FA202
> **AEROSPATIALE AS-350D** · 1989-08-28 · BLANCHARD, ID, USA · FATL
## Event
- **NTSB number:** DEN89FA202
- **Event ID:** 20001213X29094
- **Type:** Accident
- **Date:** 1989-08-28
- **Location:** BLANCHARD, ID, USA
- **Coordinates:** 48.040271, -116.960517
## Injuries
- **Highest injury:** FATL
- **Fatal:** 4
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 4
## Aircraft
- **Make:** AEROSPATIALE
- **Model:** AS-350D
- **Registration:** N132SH
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

OVERHEATING AND SEIZURE OF THE SWASHPLATE BEARING, WHICH RESULTED IN AN INFLIGHT BREAKUP OF THE HELICOPTER AND SUBSEQUENT IMPACT WITH THE GROUND.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN89FA202) · AI Analytics · CC0 1.0*