# NTSB Accident WPR10LA139
> **GRUMMAN ACFT ENG COR-SCHWEIZER G-164B** · 2010-02-18 · Colfax, WA, USA · NONE
## Event
- **NTSB number:** WPR10LA139
- **Event ID:** 20100218X25127
- **Type:** Accident
- **Date:** 2010-02-18
- **Location:** Colfax, WA, USA
- **Coordinates:** 46.858612, -117.413887
## 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:** N6774Q
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A partial loss of engine power due to carburetor ice as a result of the pilot's failure to use carburetor heat.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR10LA139) · AI Analytics · CC0 1.0*