# NTSB Accident DEN90FA172
> **AEROSPATIALE SA316B** · 1990-08-20 · MEETEETSE, WY, USA · SERS
## Event
- **NTSB number:** DEN90FA172
- **Event ID:** 20001212X23977
- **Type:** Accident
- **Date:** 1990-08-20
- **Location:** MEETEETSE, WY, USA
- **Coordinates:** 44.150619, -108.869316
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 3
- **Minor:** 4
- **Uninjured:** 0
- **Total aboard:** 7
## Aircraft
- **Make:** AEROSPATIALE
- **Model:** SA316B
- **Registration:** N83776
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A MAIN ROTOR HEAD BLADE DAMPENER FAILURE. A FACTOR IN THE ACCIDENT WAS THE SUBSEQUENT FAILURE OF A BLADE RESTRAINING CABLE.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN90FA172) · AI Analytics · CC0 1.0*