# NTSB Accident FTW99FA265
> **CARTER SPACEWALKER II** · 1999-09-25 · CONROE, TX, USA · FATL
## Event
- **NTSB number:** FTW99FA265
- **Event ID:** 20001212X19756
- **Type:** Accident
- **Date:** 1999-09-25
- **Location:** CONROE, TX, USA
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** CARTER
- **Model:** SPACEWALKER II
- **Registration:** N235FC
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The in-flight separation of the left wing due to the failure of the wing spars resulting from the builder's improper design change utilizing basswood for the spars instead of the specified spruce.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW99FA265) · AI Analytics · CC0 1.0*