# NTSB Accident NYC91DGT04
> **GEORGE E HEIDE, JR. MONI MOTORGLIDER** · 1991-05-20 · ANNVILLE, PA, USA · NONE
## Event
- **NTSB number:** NYC91DGT04
- **Event ID:** 20001212X17089
- **Type:** Accident
- **Date:** 1991-05-20
- **Location:** ANNVILLE, PA, USA
- **Coordinates:** 40.33041, -76.500328
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** GEORGE E HEIDE, JR.
- **Model:** MONI MOTORGLIDER
- **Registration:** N107GH
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S INTENTIONAL LANDING ON UNSUITABLE TERRAIN DUE TO A LOSS OF ALTITUDE PRECIPITATED BY A DOWNDRAFT.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=NYC91DGT04) · AI Analytics · CC0 1.0*