# NTSB Accident CHI96LA041
> **MCCLUNG SEA HAWK** · 1995-11-24 · MARENGO, IL, USA · NONE
## Event
- **NTSB number:** CHI96LA041
- **Event ID:** 20001207X04835
- **Type:** Accident
- **Date:** 1995-11-24
- **Location:** MARENGO, IL, USA
- **Coordinates:** 42.109256, -89.000793
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** MCCLUNG
- **Model:** SEA HAWK
- **Registration:** N391SP
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

the failure of the upper right wing due to the presence of unbonded areas between the spar cap and the bidirectional fiberglass.  The unbonded areas were due to the inadequate manufacturing of the airplane by the owner/builder.  A factor in the accident was the inadequate design by the kit manufacturer.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI96LA041) · AI Analytics · CC0 1.0*