# NTSB Accident GAA19CA572
> **Piper PA18** · 2019-09-23 · Boulder, CO, USA · NONE
## Event
- **NTSB number:** GAA19CA572
- **Event ID:** 20190926X10236
- **Type:** Accident
- **Date:** 2019-09-23
- **Location:** Boulder, CO, USA
- **Coordinates:** 40.039443, -105.226112
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Piper
- **Model:** PA18
- **Registration:** N4785F
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=GAA19CA572) · AI Analytics · CC0 1.0*