Suborbital spaceplane
Encyclopedia
A suborbital spaceplane is a spaceplane
Spaceplane
A spaceplane is a vehicle that operates as an aircraft in Earth's atmosphere, as well as a spacecraft when it is in space. It combines features of an aircraft and a spacecraft, which can be thought of as an aircraft that can endure and maneuver in the vacuum of space or likewise a spacecraft that...

 designed specifically for sub-orbital spaceflight
Sub-orbital spaceflight
A sub-orbital space flight is a spaceflight in which the spacecraft reaches space, but its trajectory intersects the atmosphere or surface of the gravitating body from which it was launched, so that it does not complete one orbital revolution....

. A few projects of civil and military suborbital spaceplanes were in past in Nazi Germany
Nazi Germany
Nazi Germany , also known as the Third Reich , but officially called German Reich from 1933 to 1943 and Greater German Reich from 26 June 1943 onward, is the name commonly used to refer to the state of Germany from 1933 to 1945, when it was a totalitarian dictatorship ruled by...

, United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, Soviet Union
Soviet Union
The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

 etc. From the beginning of 21st century, it is expected that this type of spacecraft
Spacecraft
A spacecraft or spaceship is a craft or machine designed for spaceflight. Spacecraft are used for a variety of purposes, including communications, earth observation, meteorology, navigation, planetary exploration and transportation of humans and cargo....

, as projects of many private companies, will play a key role in early space tourism
Space tourism
Space Tourism is space travel for recreational, leisure or business purposes. A number of startup companies have sprung up in recent years, hoping to create a space tourism industry...

.

History

The first ever true suborbital spaceplane was the North American X-15
North American X-15
The North American X-15 rocket-powered aircraft/spaceplane was part of the X-series of experimental aircraft, initiated with the Bell X-1, that were made for the USAAF/USAF, NACA/NASA, and the USN. The X-15 set speed and altitude records in the early 1960s, reaching the edge of outer space and...

, which first flew
X-15 Flight 90
-Crew:-Mission parameters:*Mass: 15,195 kg fueled; 6,577 kg burnout; 6,260 kg landed*Maximum Altitude: 106.01 km*Range: 534 km*Burn Time: 84.6 seconds*Mach: 5.50*Launch Vehicle: NB-52B Bomber #008...

 above the Kármán line
Karman line
The Kármán line lies at an altitude of above the Earth's sea level, and is commonly used to define the boundary between the Earth's atmosphere and outer space...

 in 1963.

The first privately built and privately funded suborbital spaceplane was Scaled Composites SpaceShipOne, which first flew
SpaceShipOne flight 15P
-Flight profile:All times are in PDT, which is seven hours behind UTC. This was the local civil time at the spaceport on the day of the flight. All measurements are first stated in the U.S...

 above the Kármán line
Karman line
The Kármán line lies at an altitude of above the Earth's sea level, and is commonly used to define the boundary between the Earth's atmosphere and outer space...

 in 2004.

See also

  • List of manned spacecraft
  • List of private spaceflight companies#Crew and cargo transport vehicles
  • Point-to-point sub-orbital spaceflight
    Point-to-point sub-orbital spaceflight
    Point-to-point sub-orbital spaceflight is a category of spaceflight in which a spacecraft uses a sub-orbital flight for transportation. This can provide a two-hour trip from London to Sydney. Today, no company offers this type of spaceflight for transportation. However, Virgin Galactic is planning...

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