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The stairs are often built into a clamshell-style door on the aircraft. Airstairs eliminate the need for passengers to use a mobile stairway or jetway to board or exit the aircraft, providing more independence from ground services. Some of the earliest aircraft to feature airstairs were the Martin 2-0-2 and Martin 4-0-4.
The sites included Naval Air Station Bermuda, Lajes Air Base in Terceira island, Azores, Portugal, Zaragoza Air Base in Spain, Morón Air Base in Spain, and Istres Air Base in France. [11] All sites have runways of sufficient length to support the landing of a Space Shuttle, and included personnel from NASA as well as equipment to aid a space ...
An intermediate landing is a small platform that is built as part of stairs between main floor levels and is typically used to allow the stairs to change directions, or to allow the user a rest. A half landing, or half-pace, is where a 180° change in direction is made, and a quarter landing is where a 90° change in direction is made (on an ...
The end result is somewhat similar to a Japanese capsule hotel: a windowless, cramped, but cozy sleeping space, with power outlets and a light – as well as all of the required safety equipment ...
Dog-leg (stairs) A dog-leg is a configuration of stairs between two floors of a building, often a domestic building, in which a flight of stairs ascends to a quarter-landing before turning at a right angle and continuing upwards. [1] The flights do not have to be equal, and frequently are not. Structurally, the flights of a dog-leg stair are ...
Above all a great dome of iron and glass throws a flood of light down the stairway, and on the landing beneath it a great carved panel gives its note of richness to the otherwise plain and massive construction of the wall. The panel contains a clock, on either side of which is a female figure, the whole symbolizing Honour and Glory crowning Time.
Splashdown is the method of landing a spacecraft by parachute in a body of water. The method has been used primarily by American crewed capsules including NASA’s Mercury, Gemini, Apollo and Orion along with the private SpaceX Dragon. It is also possible for the Russian Soyuz and the Chinese Shenzhou crewed capsules to land in water, though ...
Surveyor program. The Surveyor program was a NASA program that, from June 1966 through January 1968, sent seven robotic spacecraft to the surface of the Moon. Its primary goal was to demonstrate the feasibility of soft landings on the Moon. The Surveyor craft were the first American spacecraft to achieve soft landing on an extraterrestrial body.