How A Cracked Muffler Caused A Fatal Accident

“As cold winter temperatures arrive, you’ll probably use your airplane’s heater extensively. Here’s how cracks in your muffler could cause in-flight carbon monoxide poisoning, and what you can do to avoid it…”

https://www.boldmethod.com/learn-to-fly/systems/carbon-monoxide-poisoning-in-cold-winter-air-this-year/?fbclid=IwAR2dtBpBMFTiaOg8Pu5Yo7zjR501_PjHNUXbiRJvRl4G5ZXQAYEytzx86Eo