# NTSB investigations: Carbon monoxide NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB ERA22FA114](https://openairdocs.org/ntsb/ERA22FA114.md): Cessna 310 · Danville, VA · Accident · 1 fatal · Class 3 · Field · Final report · Feb 1, 2022 · N622QT · Destroyed > The pilot’s impairment due to exposure to carbon monoxide as a result of undetected engine exhaust penetration into the cockpit, resulting in the pilot's failure to maintain a minimum controllable airspeed after partially securing an engine after takeoff. - [NTSB CEN21LA070](https://openairdocs.org/ntsb/CEN21LA070.md): Piper PA38 · Franklin, AR · Accident · 2 fatal · Class 3 · Limited · Final report · Nov 30, 2020 · N9879T · Destroyed > The impairment of both pilots from carbon monoxide exposure due to a degraded muffler. Contributing to the accident was the inadequate maintenance inspection, which failed to detect the degraded muffler. - [NTSB CEN21LA030](https://openairdocs.org/ntsb/CEN21LA030.md): Cessna 210 · Lubbock, TX · Accident · 1 fatal · Class 3 · Limited · Final report · Oct 26, 2020 · N9622T · Destroyed > The pilot’s improper decision to fly into icing conditions with an airplane that was not equipped for icing, which led to structural icing and a subsequent loss of airplane control, and the pilot’s impairment from carbon monoxide poisoning due to a cracked… - [NTSB ERA20FA068](https://openairdocs.org/ntsb/ERA20FA068.md): Cessna 172 · Newborn, GA · Accident · 1 fatal · Class 3 · Field · Final report · Jan 6, 2020 · N1612F · Destroyed > The pilot’s impairment/incapacitation from carbon monoxide poisoning due to a degraded muffler. Contributing to the accident was the pilot’s failure to properly maintain the airplane. - [NTSB ERA20FA031](https://openairdocs.org/ntsb/ERA20FA031.md): Cessna 150 · New Bedford, MA · Accident · 1 fatal · Class 3 · Field · Final report · Nov 4, 2019 · N714LK · Destroyed > Pilot impairment due to exposure to carbon monoxide as a result of undetected corrosion and holes in the engine’s left exhaust muffler. - [NTSB WPR19FA022](https://openairdocs.org/ntsb/WPR19FA022.md): Piper PA28 · Guthrie Center, IA · Accident · 4 fatal · Class 2 · Field · Final report · Nov 9, 2018 · N91770 · Substantial damage > Pilot incapacitation due to carbon monoxide poisoning as a result of an undetected crack in an engine exhaust muffler, which permitted entry of exhaust gasses into the cabin via the cabin heat system. - [NTSB CEN17FA207](https://openairdocs.org/ntsb/CEN17FA207.md): Varga 2150A · Bowling Green, OH · Accident · 1 fatal · Field investigation · Final report · Jun 1, 2017 · N4635V · Substantial damage > The pilot's loss of control due to impairment from carbon monoxide poisoning. Contributing to the accident was the corrosion of the heat exchanger and the failure of maintenance personnel to adequately inspect and repair or replace the exchanger during the… - [NTSB CEN17LA101](https://openairdocs.org/ntsb/CEN17LA101.md): Mooney M20C · Ellendale, MN · Accident · Serious injuries · Limited investigation · Final report · Feb 3, 2017 · N9149V · Substantial damage > The pilot’s incapacitation from carbon monoxide poisoning in flight due to cracks in the exhaust muffler, which resulted in the airplane’s continued flight until it ran out of fuel and its subsequent collision with terrain. - [NTSB ANC16FA065](https://openairdocs.org/ntsb/ANC16FA065.md): Hefty Polar Cub · Anchorage, AK · Accident · 1 fatal · Field investigation · Final report · Sep 11, 2016 · N62905 · Destroyed > The pilot's severe impairment from carbon monoxide poisoning in flight, which resulted in a loss of control and a subsequent collision with trees and terrain. - [NTSB CEN16FA130](https://openairdocs.org/ntsb/CEN16FA130.md): Aeronca 7AC · Ellsworth, NE · Accident · 1 fatal · Field investigation · Final report · Mar 20, 2016 · N84580 · Destroyed > The pilot's impairment due to carbon monoxide poisoning from a known cracked engine exhaust muffler, which resulted in a loss of aircraft control. Contributing to the accident was the pilot's decision to continue flying the airplane without properly repairing… - [NTSB ANC15FA032](https://openairdocs.org/ntsb/ANC15FA032.md): Cessna 207 · Bethel, AK · Accident · 1 fatal · Field investigation · Final report · May 30, 2015 · N1653U · Substantial damage > The pilot's failure to maintain altitude, which resulted in collision with the terrain. Contributing to the accident was the pilot's impairment from carbon monoxide exposure in flight. The source of the carbon monoxide could not be determined because the… - [NTSB CEN14FA024](https://openairdocs.org/ntsb/CEN14FA024.md): Bellanca 14-19-3A · Boerne, TX · Accident · 1 fatal · Field investigation · Final report · Oct 27, 2013 · N11RC · Destroyed > A defective exhaust system that allowed carbon monoxide to enter the cabin and impair the pilot, rendering him unable to control the airplane. ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '02012040')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb-findings/02012040/cases --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.