Summary:
But in nearly all the cases, the pilot switches on the first AC pack when the ear gets clogged or the flight system sounds a caution.“There are two AC pack switches on the overhead panel. They will also begin to feel the heat as the pressurization and airconditioning system are integrated. This means the environment control system is switched off so that the plane can use maximum thrust on takeoff. Investigators believe Malaysia Airways flight MH370 that disappeared also crashed in a similar manner. This hot air is cooled and fed to aircraft’s environment control unit that controls the cabin’s temperature as well as pressure..