List of Acronyms and Abbreviations
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- AF -
- AgP - argument of periapsis
- AN - ascending node
- ApA - apoapsis altitude
- ApD - apoapsis distance
- ApR - apoapsis radius
- ApT - time to apoapsis
- Alt - altitude
- atmo - atmosphere
- CDI - course deviation indicator
- CDR - commander
- COM - communication or communicator
- CTRL - Control
- CVEL - closing velocity
- CVEL - Common Vessel Extensions Light, see CVEL
- DN - descending node
- DG - Delta-glider
- DG-S Delta-glider equiped with two scramjets.
- DIV - divergent, i.e. yaw gimbal mode.
- Dir - direction
- Dist - distance
- DLng - longitude difference, as seen on the synchronise orbit MFD
- DNP - dynamic pressure
- DNS - atmospheric density
- DST or Dst - distance (to target)
- DTe - time to ejection, as seen on the transfer MFD
- DTi - time to intercept, as seen on the transfer MFD
- DTmin - time of arrical difference, as seen on the synchronise orbit MFD
- Dv - delta velocity, as seen on the transfer MFD
- Ecc - eccentricity
- ECL - plane of the ecliptic
- ESA - European Space Agency
- ET - external tank
- EQU - plane of the equator
- FGB - russian abbreviation for Functional Cargo Block. See FGB
- FoV - field of view, as seen in the general information display
- FPS - frame rate, as seen in the general information display
- G - an unit of acceleration. 1 G equals the gravity acceleration on earths surface, 9.81 m/s²
- GL - Delta-glider
- GS - ground speed
- GMT - Greenwich Mean Time. Earth's mean time standard.
- H - Horizon
- HUD - heads up display
- HSI - horizontal situation indicator
- HST - Hubble Space Telescope
- HTO - hypothetical orbit, as seen on the transfer MFD
- IAS - indicated air speed [1]
- IDS - instrument docking system
- ILS - instrument landing system
- Inc - Inclination
- ISP - specific impulse
- ISS - International Space Station
- JD - julian date
- KISS - "Keep it simple, stupid!" Famous engineering dogma.
- KSC - Kennedy Space Center
- LAN - longitude of ascending node or local-area network
- LDEF - Long Duration Exposure Facility
- LEO - Low earth orbit
- LPe - longitude of periapsis
- m - metre
- M - Mega (SI prefix). Occasionally mass or mach number
- MECO - Main Engine Cutoff
- MFD - multifunction display
- MJD - modified julian date
- MMU - Manned Maneuvering Unit
- MnA - mean anomaly
- MnL - mean longitude
- MSx - Mission Specialist x
- m/s - meters per second, the SI base unit of velocity
- NAV - navigation or navigation aid
- OAT - outside air temperature
- Ob - obliquity of ecliptic (tilt of axis of rotation against plane of ecliptic)
- OBS - omni bearing selector
- OBT - orbit, as seen on the orbit MFD
- OMS - orbital maneuvering system, the 'main engines' of the orbital space shuttle
- OS - orbital speed
- P - position (sometimes radius) vector, as seen on the align orbital plane MFD
- p0 - atmospheric pressure at sea level
- PAPI - Precision Approach Path Indicators, lit runway centreline.
- PB -
- PeA - periapsis altitude
- PeD - periapsis distance
- PeR - periapsis radius
- PG - prograde
- PLT - Pilot
- Pos - position
- PRJ - projection, as seen on the orbit MFD
- PSx - Payload Specialist x
- R - mean radius or specific gas constant
- r0 - atmospheric density at sea level
- Rad - radial distance (not to be confused with angular unit radians)
- RAnm - true anomaly of reference axis, as seen on the synchronise orbit MFD
- Rate - rate of change, as seen on the align orbital plane MFD
- RCS - reaction control system, spacebourne orientation rocket system.
- RInc - relative inclination, as seen on the align orbital plane MFD
- RVel - relative velocity
- RG - retrograde
- RMS - Remote Manipulator System
- SECO - Secondary Engine Cutoff
- Sim - simulation time (in seconds), as seen in the general information display or a common abbreviation for "simulator"
- SHP - ship, as seen on the orbit MFD
- Sh-ToR - ship time-on-reference, as seen on the synchronise orbit MFD
- SLF - shuttle landing facility, see Cape Canaveral
- SMa - semi-major axis
- SSME - Space Shuttle Main Engines
- SMi - semi-minor axis
- SRB - Solid Rocket Booster
- SSTO - Single Stage to Orbit
- STP - static pressure or Stone Temple Pilots
- STS - space transportation system, space shuttle
- Tgt - target, esp. in docking mode
- Tg-ToR - target time-on-reference, as seen on the synchronise orbit MFD
- T - orbit period, measured in seconds
- TAS - true air speed [2]
- TKS - russian spacecraft for the Almaz program, see TKS
- TLe - eject longitude, as seen on the transfer MFD
- TLi - intercept longitude, as seen on the transfer MFD
- Tn - time to node, as seen on the align orbital plane MFD
- TOFS - tangential offset docking MFD
- TrA - true anomaly
- TrL - true longitude
- Ts - length of siderial day
- Tth - predicted thrust time, as seen on the align orbital plane MFD
- TVEL - tangential velocity
- UT - universal time, GMT. Not to be confused with UTC (Universial Time Co-ordinated). The latter is based on atomic clocks not astronomy, hence the occasional leap-second to correct UTC to GMT.
- VASI - Visual Approach Slope Indicator, the glideslope lighting system ajacent to runways to guide pilots onto the correct angle of glideslope (normally 3 degrees).
- VC - virtual cockpit
- Vel - velocity
- VOR - very high frequency omnidirectional radio
- VS - vertical speed
- VTOL - Vertical Take Off and Landing
- STOVL - Short take-off, vertical landing. As performed by the DG on full fuel employing hover thrusters during takeoff.
- Wrp - time acceleration factor, seen in the general information display
- XPDR - transponder
- ZM - zoom, as seen on the map MFD