# NTSB Accident FTW99FA192
> **MBB BK-117-B2** · 1999-07-17 · FRESNO, TX, USA · FATL
## Event
- **NTSB number:** FTW99FA192
- **Event ID:** 20001212X19258
- **Type:** Accident
- **Date:** 1999-07-17
- **Location:** FRESNO, TX, USA
- **Coordinates:** 29.530714, -95.449653
## Injuries
- **Highest injury:** FATL
- **Fatal:** 3
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** MBB
- **Model:** BK-117-B2
- **Registration:** N110HH
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

the loss of control during approach due to the corrosion of the T-T strap which resulted in fatigue cracking and subsequent separation of the strap and main rotor blade from the helicopter.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW99FA192) · AI Analytics · CC0 1.0*