# NTSB Accident CEN11LA657
> **CESSNA P210N** · 2011-09-19 · Longview, TX, USA · NONE
## Event
- **NTSB number:** CEN11LA657
- **Event ID:** 20110920X45038
- **Type:** Accident
- **Date:** 2011-09-19
- **Location:** Longview, TX, USA
- **Coordinates:** 32.383609, -94.706947
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** CESSNA
- **Model:** P210N
- **Registration:** N4867K
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** NITE
- **Weather:** VMC
## Probable cause

The flight's inadvertent encounter with a rare and unforecasted mesoscale gravity wave while on base leg, which resulted in a sudden loss of altitude and subsequent collision with trees.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN11LA657) · AI Analytics · CC0 1.0*