# NTSB Accident ATL96FA051
> **Sukhoi SU-31** · 1996-02-20 · IMMOKALEE, FL, USA · FATL
## Event
- **NTSB number:** ATL96FA051
- **Event ID:** 20001208X05209
- **Type:** Accident
- **Date:** 1996-02-20
- **Location:** IMMOKALEE, FL, USA
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Sukhoi
- **Model:** SU-31
- **Registration:** N31MX
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

the manufacturer's improper composite curing process, which resulted in wing spar voids and subsequent failure of the wing during aerobatic flight.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ATL96FA051) · AI Analytics · CC0 1.0*