# NTSB Accident NYC89LA014
> **LET L13** · 1988-10-17 · WARREN, VT, USA · SERS
## Event
- **NTSB number:** NYC89LA014
- **Event ID:** 20001213X27159
- **Type:** Accident
- **Date:** 1988-10-17
- **Location:** WARREN, VT, USA
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** LET
- **Model:** L13
- **Registration:** CFYSR
- **FAR Part:** 091
- **Engines:** —
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

PILOT'S IMPROPER SUPERVISION OF FLIGHT, PERMITTED THE STUDENT TO NOT MAINTAIN THE PROPER AIRSPEED AND STALL THE GLIDER AND CRASH INTO THE GROUND.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=NYC89LA014) · AI Analytics · CC0 1.0*