# NTSB Accident GAA17CA017
> **PIPER PA 17** · 2016-10-06 · Keene Valley, NY, USA · NONE
## Event
- **NTSB number:** GAA17CA017
- **Event ID:** 20161012X23559
- **Type:** Accident
- **Date:** 2016-10-06
- **Location:** Keene Valley, NY, USA
- **Coordinates:** 44.221111, -73.787498
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** PIPER
- **Model:** PA 17
- **Registration:** N4584H
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to use the proper hand propping procedures, resulting in a runaway airplane and an impact with trees.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=GAA17CA017) · AI Analytics · CC0 1.0*