# NTSB Accident CEN26LA233
> **BURKHART GROB FLUGZEUGBAU G103 TWIN ASTIR** · 2026-06-03 · Gregory, MI, USA · NONE
## Event
- **NTSB number:** CEN26LA233
- **Event ID:** 20260623203229
- **Type:** Accident
- **Date:** 2026-06-03
- **Location:** Gregory, MI, USA
- **Coordinates:** 44.442083, -84.064361
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** BURKHART GROB FLUGZEUGBAU
- **Model:** G103 TWIN ASTIR
- **Registration:** N4101M
- **FAR Part:** 091
- **Engines:** 0
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The flight instructor’s improper planning during the simulated aborted launch which resulted in a touchdown on unsuitable terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN26LA233) · MORVS · CC0 1.0*