# NTSB Accident CHI91LA093
> **PIPER PA-28-181** · 1991-02-07 · MARSHFIELD, WI, USA · NONE
## Event
- **NTSB number:** CHI91LA093
- **Event ID:** 20001212X16424
- **Type:** Accident
- **Date:** 1991-02-07
- **Location:** MARSHFIELD, WI, USA
- **Coordinates:** 44.659164, -90.169021
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 4
- **Total aboard:** 4
## Aircraft
- **Make:** PIPER
- **Model:** PA-28-181
- **Registration:** N6205J
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** NDRK
- **Weather:** IMC
## Probable cause

IMPROPER IN-FLIGHT PLANNING/DECISION BY THE PILOT AND HIS FAILURE TO MAINTAIN AIRSPEED, WHICH RESULTED IN AN INADVERTENT STALL/MUSH ONTO SNOW COVERED TERRAIN BESIDE THE RUNWAY.  THE ADVERSE WEATHER CONDITIONS AND SNOW COVERED TERRAIN WERE RELATED FACTORS.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91LA093) · AI Analytics · CC0 1.0*