# NTSB Accident SEA05FA090
> **Cessna 170B** · 2005-05-01 · Portland, OR, USA · FATL
## Event
- **NTSB number:** SEA05FA090
- **Event ID:** 20050504X00552
- **Type:** Accident
- **Date:** 2005-05-01
- **Location:** Portland, OR, USA
- **Coordinates:** 45.604721, -122.72583
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Cessna
- **Model:** 170B
- **Registration:** N6352Y
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's inability to control the airplane due to his incapacitation (carbon monoxide poisoning) from a deteriorated engine exhaust muffler.  A contributing factor was the inadequate annual inspection by other maintenance personnel.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA05FA090) · AI Analytics · CC0 1.0*