# NTSB Accident CEN09CA520
> **GRAHN J/GRAHN G PITTS S2S** · 2009-08-13 · Rifle, CO, USA · NONE
## Event
- **NTSB number:** CEN09CA520
- **Event ID:** 20090813X73143
- **Type:** Accident
- **Date:** 2009-08-13
- **Location:** Rifle, CO, USA
- **Coordinates:** 39.526111, -107.726943
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** GRAHN J/GRAHN G
- **Model:** PITTS S2S
- **Registration:** N540S
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's excessive landing speed and subsequent excessive brake application which resulted in a loss of control and impact with an airport sign.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN09CA520) · AI Analytics · CC0 1.0*