Originally Posted by DCA Blondie
Don't wear your noice canceling headseats, or earbuds during critical phases of flight (taxi, take-off, landing) They reduce your capacity to hear evacuation commands. Also, the wires will get in your way or will trip someone else up as they struggle to follow you and you have dumped them on the floor and they get tangled up in them.
I think it's actually against FAA or most airlines' rules to have your noise cancelling headphones turned on during takeoff and landing. You can have them on your head, but the noise-cancelling must be turned off, unless I've misunderstood what I've read.