# NTSB Accident LAX92FA054
> **AEROSPATIALE SA 316B** · 1991-11-28 · BRIDGEPORT, CA, USA · FATL
## Event
- **NTSB number:** LAX92FA054
- **Event ID:** 20001212X18461
- **Type:** Accident
- **Date:** 1991-11-28
- **Location:** BRIDGEPORT, CA, USA
- **Coordinates:** 38.270641, -119.32965
## Injuries
- **Highest injury:** FATL
- **Fatal:** 4
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 4
## Aircraft
- **Make:** AEROSPATIALE
- **Model:** SA 316B
- **Registration:** N146RM
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

FAILURE OF THE HELICOPTER'S TAIL ROTOR DRIVE SHAFT AND DRIVE SHAFT BEARING DUE TO UNDETERMINED REASON(S).

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX92FA054) · AI Analytics · CC0 1.0*