# NTSB Incident CHI89IA034
> **AEROSPATIALE ATR-42** · 1988-12-22 · MOSINEE, WI, USA · NONE
## Event
- **NTSB number:** CHI89IA034
- **Event ID:** 20001213X27394
- **Type:** Incident
- **Date:** 1988-12-22
- **Location:** MOSINEE, WI, USA
- **Coordinates:** 44.779087, -89.679801
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 37
- **Total aboard:** 37
## Aircraft
- **Make:** AEROSPATIALE
- **Model:** ATR-42
- **Registration:** N427MQ
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** NDRK
- **Weather:** IMC
## Probable cause

STALL INDUCED BY THE ACCRETION OF MODERATE TO SEVERE CLEAR ICING.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI89IA034) · AI Analytics · CC0 1.0*