# NTSB Accident ANC22FA041
> **BELL 407** · 2022-06-09 · Kalea, HI, USA · SERS
## Event
- **NTSB number:** ANC22FA041
- **Event ID:** 20220609105233
- **Type:** Accident
- **Date:** 2022-06-09
- **Location:** Kalea, HI, USA
- **Coordinates:** 19.005372, -155.65457
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 3
- **Minor:** 3
- **Uninjured:** 0
- **Total aboard:** 6
## Aircraft
- **Make:** BELL
- **Model:** 407
- **Registration:** N402SH
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The in-flight separation of the tail boom as a result of abnormal loading and fracture of the upper-left tail boom attachment bolt due to a gap between the upper-left longeron and aft fuselage bulkhead.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC22FA041) · AI Analytics · CC0 1.0*