# NTSB Accident CEN18LA157
> **HARTLINE J BON HARTLINE KITFOX III** · 2018-05-02 · Marathon, TX, USA · MINR
## Event
- **NTSB number:** CEN18LA157
- **Event ID:** 20180503X02040
- **Type:** Accident
- **Date:** 2018-05-02
- **Location:** Marathon, TX, USA
- **Coordinates:** 33.229591, -97.589981
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** HARTLINE J BON
- **Model:** HARTLINE KITFOX III
- **Registration:** N73BH
- **FAR Part:** 091
- **Engines:** —
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The failure of the flaperon hinge attachment point during takeoff, which resulted in a loss of airplane control. Contributing to the accident was the lack of reinforcement of the hinge attachment point in accordance with the manufacturer’s service bulletin.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN18LA157) · AI Analytics · CC0 1.0*