DC-3 DeltaDelta Airlines TWA DC 3 model plane. Undoubtedly a classic airliner, and almost certainly as well known to travelers all over the world as to aviation enthusiasts, by the end of 1991 the Douglas DC 3 as a type, had been in service continuously for 55 years, with a safety record that has become almost legendary. Civil DC 3s delivered to US airlines before the nation became involved in World War II played a most important part in the development of

emergency procedures

depth-bombs

and England started the Merlin engine modification idea almost simultaneously

The S-92 is an evolution of Sikorsky S-70 US Army Black Hawk and US Navy Seahawk helicopters and is available in a 19-seat passenger commercial

Because its engine was not equipped with a supercharger

water and other supplies to remote areas that other airplanes and helicopters can't get to

This was the P-39s strong suit

or nuclear weapons in the bay

on-board and off-board sensors to quickly detect

was one of three projects the new Raytheon Aircraft was working on

" whenever the president was aboard

Equipped with five auxiliary fuel tanks and military-grade flight systems