# NTSB Accident CHI99LA110
> **Socata TB-9C** · 1999-03-18 · CAHOKIA, IL, USA · SERS
## Event
- **NTSB number:** CHI99LA110
- **Event ID:** 20001205X00286
- **Type:** Accident
- **Date:** 1999-03-18
- **Location:** CAHOKIA, IL, USA
- **Coordinates:** 38.570201, -90.169906
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Socata
- **Model:** TB-9C
- **Registration:** N508PC
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

the in-flight loss of control by the student pilot due to wind turbulence.  Additional causes were the flight instructor's inadequate supervision of the flight and the flight instructor's decision to continue the touch and go after encountering turbulence on the vfr final approach that had required the flight instructor's intervention to correct.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI99LA110) · AI Analytics · CC0 1.0*