# NTSB Accident FTW04LA111
> **Brantly Helicopter B-2B** · 2004-04-21 · Holliday, TX, USA · MINR
## Event
- **NTSB number:** FTW04LA111
- **Event ID:** 20040428X00528
- **Type:** Accident
- **Date:** 2004-04-21
- **Location:** Holliday, TX, USA
- **Coordinates:** 33.856666, -98.487503
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Brantly Helicopter
- **Model:** B-2B
- **Registration:** N9030Z
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of the upper tail rotor shaft due to excessive misalignment after two hard landings.  Also causal was the manufacturer's failure to provide specific maintenance procedures for checking the alignment of the upper tail rotor shaft.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW04LA111) · AI Analytics · CC0 1.0*