The newer planes pressurize their cabin to a lower simulated altitude. https://aviation.stackexchange.com/questions/1728/does-the-b787-dreamliner-operate-with-

The newer planes pressurize their cabin to a lower simulated altitude. https://aviation.stackexchange.com/questions/1728/does-the-b787-dreamliner-operate-with-higher-cabin-pressure https://aviation.stackexchange.com/questions/1728/does-the-b...