# NTSB Accident MIA96LA166
> **Bell UH-1B** · 1996-06-28 · LORIDA, FL, USA · MINR
## Event
- **NTSB number:** MIA96LA166
- **Event ID:** 20001208X06071
- **Type:** Accident
- **Date:** 1996-06-28
- **Location:** LORIDA, FL, USA
- **Coordinates:** 27.340953, -81.190452
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 1
- **Total aboard:** 2
## Aircraft
- **Make:** Bell
- **Model:** UH-1B
- **Registration:** N9846F
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

failure of company maintenance personnel to properly torque the tail rotor 90 degree gear box mounting bolts during installation, which resulted in failure of the mounting studs due to bending fatigue and subsequent separation of the gearbox.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA96LA166) · AI Analytics · CC0 1.0*