# NTSB Accident CEN18LA121
> **HUGHES 369D** · 2018-03-07 · Blair, WI, USA · SERS
## Event
- **NTSB number:** CEN18LA121
- **Event ID:** 20180316X50022
- **Type:** Accident
- **Date:** 2018-03-07
- **Location:** Blair, WI, USA
- **Coordinates:** 44.304443, -91
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 2
## Aircraft
- **Make:** HUGHES
- **Model:** 369D
- **Registration:** N499SL
- **FAR Part:** 133
- **Engines:** —
- **Damage:** —
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s failure to recognize and compensate for hazards during the external load operation, which led to a collision between a lineman (external load) and a powerline.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN18LA121) · AI Analytics · CC0 1.0*