# NTSB Accident CHI91LA231
> **LET L-13** · 1991-07-26 · GREGORY, MI, USA · NONE
## Event
- **NTSB number:** CHI91LA231
- **Event ID:** 20001212X17507
- **Type:** Accident
- **Date:** 1991-07-26
- **Location:** GREGORY, MI, USA
- **Coordinates:** 42.449554, -84.079421
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** LET
- **Model:** L-13
- **Registration:** N781BA
- **FAR Part:** 091
- **Engines:** 0
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A COLLISION WITH WIRES AFTER THE GLIDER OVERSHOT THE LANDING AREA DUE TO INADVERTENT LOWERING OF THE FLAPS AND NO USE OF SPOILERS.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91LA231) · AI Analytics · CC0 1.0*