# NTSB Accident GAA16CA009
> **ROBINSON HELICOPTER COMPANY R44 II** · 2015-10-06 · Ketchikan, AK, USA · NONE
## Event
- **NTSB number:** GAA16CA009
- **Event ID:** 20151007X90503
- **Type:** Accident
- **Date:** 2015-10-06
- **Location:** Ketchikan, AK, USA
- **Coordinates:** 55.782501, -131.668334
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** ROBINSON HELICOPTER COMPANY
- **Model:** R44 II
- **Registration:** N779DZ
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain directional control during the engine start sequence, which resulted in the helicopter sliding on a steel deck and impacting a crane. Contributing to the accident was the absence of traction material on the helicopter operations portion of the steel deck.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=GAA16CA009) · AI Analytics · CC0 1.0*