# NTSB Accident CEN19LA174
> **Robinson R44** · 2019-06-17 · Key West, FL, USA · NONE
## Event
- **NTSB number:** CEN19LA174
- **Event ID:** 20190619X91904
- **Type:** Accident
- **Date:** 2019-06-17
- **Location:** Key West, FL, USA
- **Coordinates:** 24.551666, -81.764442
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** Robinson
- **Model:** R44
- **Registration:** N1241W
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of maintenance personnel to properly secure the right-side tail boom mounting bolts which resulted in the failure of the bolts and an inflight separation of the tail rotor.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN19LA174) · AI Analytics · CC0 1.0*