# NTSB Accident CEN09LA565
> **BELL UH-1B** · 2009-09-06 · Arvilla, ND, USA · SERS
## Event
- **NTSB number:** CEN09LA565
- **Event ID:** 20090908X14148
- **Type:** Accident
- **Date:** 2009-09-06
- **Location:** Arvilla, ND, USA
- **Coordinates:** 47.917778, -97.494445
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** BELL
- **Model:** UH-1B
- **Registration:** N204JB
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The aircraft owner/mechanic/pilot's installation of an improper tail boom assembly and the resulting fatigue failure of the tail boom's attach fittings.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN09LA565) · AI Analytics · CC0 1.0*