# NTSB Accident WPR23LA322
> **GRUMMAN AMERICAN AVN. CORP. AA-5B** · 2023-08-19 · Lone Pine, CA, USA · SERS
## Event
- **NTSB number:** WPR23LA322
- **Event ID:** 20230822192924
- **Type:** Accident
- **Date:** 2023-08-19
- **Location:** Lone Pine, CA, USA
- **Coordinates:** 36.226698, -118.16611
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** GRUMMAN AMERICAN AVN. CORP.
- **Model:** AA-5B
- **Registration:** N4537Y
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's inability to maintain altitude after encountering a downdraft, which resulted in collision with terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR23LA322) · AI Analytics · CC0 1.0*