# NTSB Accident NYC00LA069
> **Mooney M20M** · 2000-01-21 · MONTPELIER, VT, USA · NONE
## Event
- **NTSB number:** NYC00LA069
- **Event ID:** 20001212X20427
- **Type:** Accident
- **Date:** 2000-01-21
- **Location:** MONTPELIER, VT, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Mooney
- **Model:** M20M
- **Registration:** N223KT
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A blocked crankcase breather line due to ice and improper maintenance which resulted in further restricting the line. A factor in this accident was the below freezing outside air temperature.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=NYC00LA069) · AI Analytics · CC0 1.0*