# NTSB Accident GAA18LA131
> **ROBINSON HELICOPTER R22** · 2018-02-14 · Charleston, SC, USA · NONE
## Event
- **NTSB number:** GAA18LA131
- **Event ID:** 20180214X61821
- **Type:** Accident
- **Date:** 2018-02-14
- **Location:** Charleston, SC, USA
- **Coordinates:** 32.49139, -79.544441
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** ROBINSON HELICOPTER
- **Model:** R22
- **Registration:** N337H
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The flight instructor’s abrupt evasive maneuver to avoid a reported unmanned aerial system, which resulted in a loss of forward airspeed and settling with power and a subsequent collision with trees and terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=GAA18LA131) · AI Analytics · CC0 1.0*