If you're reading this now and have experienced the wonders of modern air travel then you have surely suffered through what I call the "Terrible 10,000 Feet." This is the period between the clunk of the cabin door closing and the bong of the cabin indicator, the chime signifying arrival of the magic altitude where "approved electronic devices" can then be used again. The first half of the worst part of the flight is then over -- the latter half to commence as soon as the plane dips again below that gadget ceiling.
This is the loudest part of the flight -- engines throttled up, flaps and gear hanging in the breez