# NTSB Incident CHI90IA106
> **NIHON YS-11A-600F** · 1990-04-03 · WEST LAFAYETTE, IN, USA · NONE
## Event
- **NTSB number:** CHI90IA106
- **Event ID:** 20001212X22877
- **Type:** Incident
- **Date:** 1990-04-03
- **Location:** WEST LAFAYETTE, IN, USA
- **Coordinates:** 40.419281, -86.920555
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** NIHON
- **Model:** YS-11A-600F
- **Registration:** N112MP
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** —
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

AN UNDETECTED ACCUMULATION OF ICE ON THE HORIZONTAL STABILIZER. RELATING FACTORS WERE THE MANUFACTURER'S LACK OF INFORMATION AND AIRCRAFT MANUALS RELATIVE TO THE UNDERSTANDING OF, AND APPROPRIATE PROCEDURES TO PREVENT THE LOSS OF CONTROL.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI90IA106) · AI Analytics · CC0 1.0*