# NTSB Accident CHI07CA315
> **Aerotechnik Sportstar-Evektor** · 2007-09-30 · Maple Lake, MN, USA · MINR
## Event
- **NTSB number:** CHI07CA315
- **Event ID:** 20071108X01769
- **Type:** Accident
- **Date:** 2007-09-30
- **Location:** Maple Lake, MN, USA
- **Coordinates:** 45.235832, -93.985557
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Aerotechnik
- **Model:** Sportstar-Evektor
- **Registration:** N806EV
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The student pilot's failure to relinquish the flight controls and the flight instructor's inadequate supervision which resulted in the certified flight instructor not being able to maintain directional control.  Contributing factors included the student pilot's failure to maintain directional control and the student pilot's total lack of experience.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI07CA315) · AI Analytics · CC0 1.0*