Altitude training — traditionally referred to as altitude camp, is the practice by some endurance athletes of training for several weeks at high altitude, preferably over 2,500 m (8,000 ft) above sea level, though more commonly at a lower altitude due to the lack of … Wikipedia
High altitude pulmonary edema — (HAPE) is a life threatening form of non cardiogenic pulmonary edema that occurs in otherwise healthy mountaineers at altitudes above 2,500 meters (8,200 feet). Some cases however have been reported also at lower altitudes (between 1500 and 2500… … Wikipedia
Supersonic Low Altitude Missile — The Supersonic Low Altitude Missile or SLAM (not to be confused with the U.S. Navy s current Standoff Land Attack Missile ) was a cancelled U.S. Air Force project conceived around 1955; the height of the cold war. Although it never proceeded… … Wikipedia
Non-rocket spacelaunch — Non rocket space launch (NRS) is a launch into space where some or all needed speed and altitude is provided by non rocket means, rather than simply using conventional chemical rockets from the ground. A number of alternatives to rockets have… … Wikipedia
Space elevator safety — There are many safety issues associated with the construction and operation of a space elevator. A space elevator would present a considerable navigational hazard, both to aircraft and spacecraft. Aircraft could be dealt with by means of simple… … Wikipedia
Instrument flight rules — (IFR) are a set of regulations and procedures for flying aircraft whereby navigation and obstacle clearance is maintained with reference to aircraft instruments only , while separation from other aircraft is provided by Air Traffic Control. In… … Wikipedia
Traffic Control — ➡ law enforcement * * * Introduction supervision of the movement of people, goods, or vehicles to ensure efficiency and safety. Traffic is the movement of people and goods from one location to another. The movement typically occurs… … Universalium
Free-fall — is motion with no acceleration other than that provided by gravity. Since this definition does not specify velocity, it also applies to objects initially moving upward. Although the definition specifically excludes all other forces such as… … Wikipedia
CRAFT (aviation) — In aviation, CRAFT is a mnemonic for the essential elements of a clearance under instrument flight rules (IFR).OverviewCRAFT stands for:* Clearance limit, the end point of the clearance (usually, but not always, the destination airport)* Route ,… … Wikipedia
Surveyor 3 — Infobox Spacecraft Caption=Alan L. Bean, Lunar Module pilot of Apollo 12, stands next to Surveyor 3 lander. In the background is the Apollo 12 lander, Intrepid. Name=Surveyor 3 Organization=NASA Major Contractors= Hughes Aircraft Mission… … Wikipedia
C-5 Galaxy — Infobox Aircraft name=C 5 Galaxy type=Strategic airlifter manufacturer=Lockheed Georgia Co. caption= designer= first flight=30 June 1968 introduction=June 1970 retired= status=Operational Active: 33 Reserve: 45 ANG: 30Mehuron, Tamar A., Assoc.… … Wikipedia