# NTSB Accident ANC90LA074
> **CESSNA 150** · 1990-05-23 · PALMER, AK, USA · NONE
## Event
- **NTSB number:** ANC90LA074
- **Event ID:** 20001212X23050
- **Type:** Accident
- **Date:** 1990-05-23
- **Location:** PALMER, AK, USA
- **Coordinates:** 61.619167, -148.979721
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** CESSNA
- **Model:** 150
- **Registration:** N66425
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE FLIGHT INSTRUCTOR'S FAILURE TO USE CARBURETOR HEAT DURING A SIMULATED ENGINE FAILURE. THE ROUGH TERRAIN AND WEATHER CONDITIONS CONDUCIVE TO CARBURETOR ICING WERE CONTRIBUTING FACTORS.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC90LA074) · AI Analytics · CC0 1.0*