# NTSB Accident CEN18CA072
> **BELL HELICOPTER TEXTRON CANADA 407** · 2018-01-05 · Norfolk, NE, USA · NONE
## Event
- **NTSB number:** CEN18CA072
- **Event ID:** 20180110X40647
- **Type:** Accident
- **Date:** 2018-01-05
- **Location:** Norfolk, NE, USA
- **Coordinates:** 42.022499, -97.413612
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** BELL HELICOPTER TEXTRON CANADA
- **Model:** 407
- **Registration:** N214AM
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

Maintenance personnel’s failure to properly secure the tail rotor drive shaft cover, which resulted in the cover departing the helicopter in flight.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN18CA072) · AI Analytics · CC0 1.0*