# NTSB Accident GAA18CA283
> **SCHWEIZER SGS123** · 2018-05-13 · Tunbridge, VT, USA · NONE
## Event
- **NTSB number:** GAA18CA283
- **Event ID:** 20180517X55416
- **Type:** Accident
- **Date:** 2018-05-13
- **Location:** Tunbridge, VT, USA
- **Coordinates:** 43.895832, -72.440002
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** SCHWEIZER
- **Model:** SGS123
- **Registration:** N9915J
- **FAR Part:** 091
- **Engines:** 0
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The student glider’s inability to maintain altitude due to a loss of thermal lift, which resulted in an off-airport landing.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=GAA18CA283) · AI Analytics · CC0 1.0*