# NTSB Accident CHI91MA260
> **BRITISH AEROSPACE 3201** · 1991-08-12 · ST LOUIS, MO, USA · NONE
## Event
- **NTSB number:** CHI91MA260
- **Event ID:** 20001212X17838
- **Type:** Accident
- **Date:** 1991-08-12
- **Location:** ST LOUIS, MO, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 7
- **Total aboard:** 7
## Aircraft
- **Make:** BRITISH AEROSPACE
- **Model:** 3201
- **Registration:** N339TE
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

FAILURE OF THE PILOT(S) TO FOLLOW THE CORRECT EMERGENCY PROCEDURE.  FACTORS RELATED TO THIS ACCIDENT WERE: INADEQUATE SYSTEM DESIGN BY THE MANUFACTURER, WHICH ALLOWED HYDRAULIC LINE VIBRATION, FATIGUE FAILURE OF THE LINE, AND LOSS OF FLUID FROM THE NORMAL HYDRAULIC SYSTEM.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91MA260) · AI Analytics · CC0 1.0*