Mar 18, 2019
102 CO Detectors Save Two General Aviation Pilots, Boeing Buys ForeFlight, Light Sport Aircraft + GA News
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102 Max talks with two pilots who encountered carbon monoxide in the cockpit just days apart from each other. They’ll tell us how they discovered the CO, what they did about it, and what caused it. One pilot, flying in a Cessna 182RG, purchased a Sensorcon portable CO detector a few months ago and in cruise, measured 40 to 80 ppm of CO, depending upon where he held the sensor. A mechanic found that the C-clamp holding the EGT probe was loose, allowing exhaust gases to leak through the hole the probe is mounted in.
The other pilot, who was flying a C180 Skywagon, had readings of 72 ppm in cruise. That pilot had a backfire at startup, and backfires can damage the exhaust system to the point where they cause a carbon monoxide leak, so you probably want to have your exhaust system checked out if you have a backfire when starting an aircraft. At the destination, a mechanic found that the #1 Exhaust riser had broken at its collar where it bolts to the cylinder, creating an exhaust leak.
Carbon Monoxide Detectors
Pocket CO KWJ Carbon Monoxide Detector $150
Sentry ADS-B Receiver with Carbon Monoxide Detector $499
Sensorcon CO Tester and Meter $159
Sensorcon Certified CO Detector & Meter $179
Sensorcon Industrial Pro CO Monitor $199
Guardian Avionics Panel Mount CO Detector $399
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