# NTSB Accident CEN21FA345
> **PIPER J3C-65** · 2021-07-31 · Hartford, WI, USA · FATL
## Event
- **NTSB number:** CEN21FA345
- **Event ID:** 20210731103599
- **Type:** Accident
- **Date:** 2021-07-31
- **Location:** Hartford, WI, USA
- **Coordinates:** 43.350781, -88.400281
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** PIPER
- **Model:** J3C-65
- **Registration:** N42522
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The flight crew’s exceedance of the airplane’s critical angle of attack during a simulated engine failure during initial climb after takeoff, which led to an aerodynamic stall/spin and loss of control. Contributing to the severity of the occupants’ injuries was the airplane’s lack of shoulder harnesses.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CEN21FA345) · AI Analytics · CC0 1.0*