# NTSB Accident ANC17CA041
> **AIRBUS AS350** · 2017-08-03 · Delta Junction, AK, USA · NONE
## Event
- **NTSB number:** ANC17CA041
- **Event ID:** 20170807X70934
- **Type:** Accident
- **Date:** 2017-08-03
- **Location:** Delta Junction, AK, USA
- **Coordinates:** 64.467781, -144.914993
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** AIRBUS
- **Model:** AS350
- **Registration:** N351SH
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot’s failure to maintain clearance from a steel frame attached to a tracked drilling unit. Contributing to the accident was the pilot’s failure to visually identify the steel frame during the reconnaissance process.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC17CA041) · AI Analytics · CC0 1.0*