Where Does It Go?
Airplane bathroom waste has always gone into a storage tank in the airplane, which is pumped out after landing. If the tank gets full, there is an overflow valve that discharges extra waste out of the aircraft-during flight. The chemicals used to treat the waste turn it blue, and the waste freezes during its fall to earth-the infamous "blue ice."
Smithsonian Institution, National Air and Space Museum
National Air and Space Museum Archives
The Douglas DC-7 was an advanced development of the DC-6B piston-engine airliner. It was introduced by American Airlines on its New York-Los Angeles route in November 1953 and was the first airliner to provide nonstop transcontinental service in both directions.
The fastest transport aircraft in service, the DC-7 cruised at 580 kilometers (360 miles) per hour. A total of 338 DC-7s of all types were purchased by 18 different airlines. Like other piston-engine airliners, it was made obsolete by the introduction of turbine-engine Boeing 707s and Douglas
This nose section is from American Airlines' Flagship Vermont, which carried about 130,000 passengers in its nearly 13,500 hours aloft.
Wingspan: 35.8 m (117 ft 6 in)
Interior of the DC-7
Explore the cockpit and forward cabin area of the DC-7 on display at the National Air and Space Museum. Visitors to the Museum can walk through the cabin. These QuickTime Virtual Reality (QTVR) panoramas were created from photographs of the aircraft interior prior to installation of protective seat coverings and plexiglass over the cockpit and artifacts.