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Thread: What’s safest (from Covid): an airport lounge, a gate area or a plane?
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Old Oct 8, 2021 | 4:54 pm
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Originally Posted by lhrsfo
AFAIK, onboard the plane when the engines are running (so as to take advantage of the aggressive air filtration and renewal systems)
The air coming in from the engines is not filtered as it is fresh, outside air that has been flash heated to 400+ degrees then cooled. The filtering is done from the recir fans and they are on anytime the airplane is powered.
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