At what altitude do commercial jets cruise, in metres?

Q: At what altitude do commercial jets cruise, in metres?

11,000 metres (11,000). About 11 km up — where the air is so thin you'd pass out in seconds, separated from it by 3 mm of aluminium. Source: ICAO

11,000

metres

About 11 km up — where the air is so thin you'd pass out in seconds, separated from it by 3 mm of aluminium.SOURCEICAO

Scale check: 11,000 is roughly a lower-league football crowd.

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