Twenty years ago, in the Payne Stewart crash, the pilots didn't turn on the cabin air after takeoff. They didn't it out before hypoxia incapacitated everyone on board. The cabin air was sometimes left off until it was needed because it heated up the cabin when sitting on the ground.
Twenty years ago, in the Payne Stewart crash, the pilots didn't turn on the cabin air after takeoff. They didn't it out before hypoxia incapacitated everyone on board. The cabin air was sometimes left off until it was needed because it heated up the cabin when sitting on the ground.
https://www.youtube.com/watch?v=PVWBaFFtDmY