# NTSB Accident CEN13LA551
> **GRUMMAN ACFT ENG COR-SCHWEIZER G 164B** · 2013-09-04 · Clemville, TX, USA · NONE
## Event
- **NTSB number:** CEN13LA551
- **Event ID:** 20130916X70045
- **Type:** Accident
- **Date:** 2013-09-04
- **Location:** Clemville, TX, USA
- **Coordinates:** 29.046112, -96.116668
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** GRUMMAN ACFT ENG COR-SCHWEIZER
- **Model:** G 164B
- **Registration:** N8251K
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The uncommanded inflight application of parking brake due to a loose valve, which resulted in a noseover during landing.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN13LA551) · AI Analytics · CC0 1.0*