Atmosphere and respiration · Question 4 of 12
Where does carbon monoxide in the cockpit of a single-engine piston aeroplane usually come from?
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Answer
- A From a leaking cabin heater that uses exhaust heat
Explanation
Many piston aeroplanes heat the cabin with air that flows past the exhaust. If the heat exchanger leaks, carbon monoxide enters the cabin. The gas is colourless and odourless; headaches and drowsiness are warning signs, then heater off, fresh air on and land soon.