# NTSB Accident WPR21LA299
> **SCHWEIZER AIRCRAFT CORP G-164B** · 2021-07-30 · Tracy, CA, USA · NONE
## Event
- **NTSB number:** WPR21LA299
- **Event ID:** 20210731103594
- **Type:** Accident
- **Date:** 2021-07-30
- **Location:** Tracy, CA, USA
- **Coordinates:** 37.84131, -121.52415
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** SCHWEIZER AIRCRAFT CORP
- **Model:** G-164B
- **Registration:** N3629F
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A loss of thrust during a low-level agricultural application flight, which resulted in a descent and impact with terrain. The reason for the loss of thrust could not be determined based on available information.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR21LA299) · AI Analytics · CC0 1.0*