# NTSB Accident CHI07MA083
> **McDonnell Douglas 369FF** · 2007-03-11 · Haena, HI, USA · FATL
## Event
- **NTSB number:** CHI07MA083
- **Event ID:** 20070322X00320
- **Type:** Accident
- **Date:** 2007-03-11
- **Location:** Haena, HI, USA
- **Coordinates:** 20.770238, -155.989257
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 3
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 5
## Aircraft
- **Make:** McDonnell Douglas
- **Model:** 369FF
- **Registration:** N911VC
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The fatigue failure of the tail rotor blade root fitting due to a manufacturing defect which resulted in the separation of the tail rotor system and loss of tail rotor control.  A contributing factor to the accident were the trees that the helicopter struck during the autorotation.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI07MA083) · AI Analytics · CC0 1.0*