Difference between revisions of "List of Acronyms and Abbreviations"

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==A==
 
==A==
* AF -
+
;AF:
* AgP - [[argument of periapsis]]
+
;AgP:[[argument of periapsis]]
* AN - [[ascending node]]
+
;AN:[[ascending node]]
* ApA - [[apoapsis]] altitude
+
;ApA:[[apoapsis]] altitude
* ApD - [[apoapsis]] distance
+
;ApD:[[apoapsis]] distance
* ApR - [[apoapsis]] radius
+
;ApR:[[apoapsis]] radius
* ApT - time to [[apoapsis]]
+
;ApT:time to [[apoapsis]]
* Alt - [[altitude]]
+
;Alt:[[altitude]]
* atmo - [[atmosphere]]
+
;atmo:[[atmosphere]]
* AU - [[astronomical unit]]
+
;AU:[[astronomical unit]]
 
==B==
 
==B==
* '''BMW''' - '''B'''ate, '''M'''ueller, '''W'''hite - author team of a very famous book on astrodynamics and spaceflight (written in 1971)
+
;BMW:'''B'''ate, '''M'''ueller, '''W'''hite - author team of a very famous book on astrodynamics and spaceflight (written in 1971)
 
==C==
 
==C==
* CDI - [[course deviation indicator]]
+
;CDI:[[course deviation indicator]]
* CDR - commander
+
;CDR:commander
* [[CEV]] - Crew Expedition Vehicle
+
;CEV:'''C'''rew '''E'''xpedition '''V'''ehicle, see [[CEV]]
* COM - communication or communicator
+
;COM:communication or communicator
* CTRL - Control
+
;CTRL:Control
* CVEL - [[closing velocity]]
+
;CVEL:
* CVEL - Common Vessel Extensions Light, see [[CVEL]]
+
#[[closing velocity]]
 +
#'''C'''ommon '''V'''essel '''E'''xtensions '''L'''ight, see [[CVEL]]
 
==D==
 
==D==
* DN - [[descending node]]
+
;DN:[[descending node]]
* DG - [[Delta-glider]]
+
;DG:[[Delta-glider]]
* DG-S [[Delta-glider]] equiped with two [[scramjet|scramjets]].
+
;DG-S:[[Delta-glider]] equiped with two [[scramjet|scramjets]].
* DIV - [[divergent]], i.e. [[yaw]] [[gimbal]] mode.
+
;DIV:[[divergent]], i.e. [[yaw]] [[gimbal]] mode.
* Dir - direction
+
;Dir:'''dir'''ection
* Dist - distance
+
;Dist:'''dist'''ance
* DLng - longitude difference, as seen on the [[synchronise orbit MFD]]
+
;DLng:longitude difference, as seen on the [[synchronise orbit MFD]]
* DNP - dynamic [[pressure]]
+
;DNP:dynamic [[pressure]]
* DNS - atmospheric density
+
;DNS:atmospheric density
* DST or Dst - distance (to target)
+
;DST or Dst:distance (to target)
* DTe - time to [[ejection]], as seen on the [[transfer MFD]]
+
;DTe:time to [[ejection]], as seen on the [[transfer MFD]]
* DTi - time to intercept, 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]]
+
;DTmin:time of arrical difference, as seen on the [[synchronise orbit MFD]]
* Dv - delta [[velocity]], as seen on the [[transfer MFD]]
+
;Dv:delta [[velocity]], as seen on the [[transfer MFD]], see also [[Delta-V]]
 
==E==
 
==E==
* Ecc - [[eccentricity]]
+
;Ecc:[[eccentricity]]
* ECL - plane of the [[ecliptic]]
+
;ECL:plane of the [[ecliptic]]
* ESA - [[European Space Agency]]
+
;ESA:[[European Space Agency]]
* ET - [[external tank]]
+
;ET:[[external tank]]
* EQU - plane of the [[equator]]
+
;EQU:plane of the [[equator]]
* [[EVA]] - Extra vehicular activity
+
;EVA:'''E'''xtra '''v'''ehicular '''a'''ctivity, see [[EVA]]
 
==F==
 
==F==
* FGB - russian acronym for Functional Cargo Block. See [[FGB]]
+
;FGB:russian acronym for Functional Cargo Block. See [[FGB]]
* FoV - field of view, as seen in the [[general information display]]
+
;FoV:field of view, as seen in the [[general information display]]
* FPS - [[frame rate]], as seen in the [[general information display]]
+
;FPS:[[frame rate]], as seen in the [[general information display]]
 
==G==
 
==G==
* G - an unit of acceleration. 1 G equals the gravity acceleration on earths surface, 9.81 m/s²
+
;G:an unit of acceleration. 1 G equals the gravity acceleration on earths surface, 9.81 m/s²
* GL - [[Delta-glider]]
+
;GL:Used often as vehicle name prefix for a [[Delta-glider]]
* GS - [[ground speed]]
+
;GMT:Greenwich Mean Time.See UT [http://en.wikipedia.org/wiki/Universal_Time]
* GMT - Greenwich Mean Time.See UT [http://en.wikipedia.org/wiki/Universal_Time]
+
;GPS:'''g'''lobal '''p'''ositioning '''s'''ystem
 +
;GS:[[ground speed]]
 
==H==
 
==H==
* H - Horizon
+
;H:Horizon
* HLLV - heavy lift launch vehicle
+
;HLLV:'''h'''eavy '''l'''ift '''l'''aunch '''v'''ehicle
* HUD - [[heads up display]]
+
;HUD:[[heads up display]]
* HSI - [[horizontal situation indicator]]
+
;HSI:[[horizontal situation indicator]]
* HST - [[Hubble Space Telescope]]
+
;HST:[[Hubble Space Telescope]]
* HTO - [[hypothetical orbit]], as seen on the [[transfer MFD]]
+
;HTO:[[hypothetical orbit]], as seen on the [[transfer MFD]]
 
==I==
 
==I==
* IAS - indicated air speed [http://en.wikipedia.org/wiki/Indicated_air_speed]
+
;IAS:indicated air speed [http://en.wikipedia.org/wiki/Indicated_air_speed]
* IDS - [[instrument docking system]]
+
;IDS:[[instrument docking system]]
* ILS - [[instrument landing system]]
+
;ILS:
* Inc - Inclination
+
#[[instrument landing system]]
* ISP - specific impulse
+
#'''I'''nternational '''l'''aunch '''s'''ervices, a US-russian joint venture marketing [[Atlas]] and [[Proton]] launches
* ISS - [[International Space Station]]
+
;Inc:Inclination
 +
;ISP:specific impulse, see [[ISP]]
 +
;ISS:[[International Space Station]]
 
==J==
 
==J==
* JD - julian date
+
;JD:julian date
 
==K==
 
==K==
* KISS - "Keep it simple, stupid!" Famous engineering dogma.[http://en.wikipedia.org/wiki/KISS_principle]  
+
;KISS:"Keep it simple, stupid!" Famous engineering dogma.[http://en.wikipedia.org/wiki/KISS_principle]  
* KSC - [[Kennedy Space Center]]
+
;KSC:[[Kennedy Space Center]]
 
==L==
 
==L==
* '''LAN''' - longitude of [[ascending node]] or local-area network
+
;LAN:longitude of [[ascending node]] or local-area network
* '''LDEF''' - [[Long Duration Exposure Facility]]
+
;LDEF:[[Long Duration Exposure Facility]]
* '''LEO''' - [[Low earth orbit]]
+
;LEO:[[Low earth orbit]]
* '''LPe''' - longitude of [[periapsis]]
+
;LPe:longitude of [[periapsis]]
 
==M==
 
==M==
* '''m''' - metre
+
;m:metre
* '''M''' - Mega (SI prefix). Occasionally mass or [[mach]] number
+
;M:Mega (SI prefix). Occasionally mass or [[mach]] number
* '''MCC''' - mid course correction
+
;MCC:
* '''MECO''' - Main Engine Cutoff
+
#'''m'''id '''c'''ourse '''c'''orrection
* '''[[MFD]]''' - multifunction display
+
#'''m'''ission '''c'''ontrol '''center'''
* '''MJD''' - [[modified julian date]]
+
;MCC-H:'''m'''ission '''c'''ontrol '''c'''enter '''h'''ouston
* '''[[MMU]]''' - Manned Maneuvering Unit
+
;MCC-M:'''m'''ission '''c'''ontrol '''c'''enter '''m'''oscow
* '''MnA''' - [[mean anomaly]]
+
;MECO:'''M'''ain '''E'''ngine '''C'''ut'''o'''ff
* '''MnL''' - [[mean longitude]]
+
;MFD:multifunction display, see [[MFD]]
* '''MSx''' - Mission Specialist x
+
;MJD:[[modified julian date]]
* '''m/s''' - meters per second, the SI base unit of [[velocity]]
+
;MMU:'''m'''anned '''m'''aneuvering '''u'''nit, see [[MMU]]
 +
;MnA:[[mean anomaly]]
 +
;MnL:[[mean longitude]]
 +
;MSx:Mission Specialist x
 +
;m/s:meters per second, the SI base unit of [[velocity]]
 
==N==
 
==N==
* '''NAV''' - navigation or [[navigation aid]]
+
;NAV:
 +
#navigation
 +
#[[navigation aid]]
 
==O==
 
==O==
* '''OAT''' - outside air temperature
+
;OAT:outside air temperature
* '''Ob''' - obliquity of ecliptic (tilt of axis of rotation against plane of ecliptic)
+
;Ob:obliquity of ecliptic (tilt of axis of rotation against plane of ecliptic)
* '''OBS''' - [[omni bearing selector]]
+
;OBS:[[omni bearing selector]]
* '''OBT''' - [[orbit]], as seen on the [[orbit MFD]]
+
;OBT:[[orbit]], as seen on the [[orbit MFD]]
* '''OMS''' - orbital maneuvering system, the 'main engines' of the orbital [[space shuttle]]
+
;OMS:'''o'''rbital '''m'''aneuvering '''s'''ystem, the 'main engines' of the [[space shuttle]] orbiter
* '''OS''' - [[orbital speed]]
+
;OS:[[orbital speed]]
 
==P==
 
==P==
* '''P''' - position (sometimes radius) vector, as seen on the [[align orbital plane MFD]]
+
;P:position (sometimes radius) vector, as seen on the [[align orbital plane MFD]]
* '''p0''' - atmospheric pressure at sea level
+
;p0:atmospheric pressure at sea level
* '''PAPI''' - Precision Approach Path Indicators, lit runway centreline.
+
;PAPI:'''P'''recision '''A'''pproach '''P'''ath '''I'''ndicators, lit runway centreline.
* '''PB''' -
+
;PB:
* '''PeA''' - [[periapsis]] altitude
+
;PeA:[[periapsis]] altitude
* '''PeD''' - [[periapsis]] distance
+
;PeD:[[periapsis]] distance
* '''PeR''' - [[periapsis]] radius
+
;PeR:[[periapsis]] radius
* '''PG''' - [[prograde]]
+
;PG:[[prograde]]
* '''PLT''' - Pilot
+
;PLT:Pilot
* '''Pos''' - position
+
;Pos:position
* '''PRJ''' - [[projection]], as seen on the [[orbit MFD]]
+
;PRJ:[[projection]], as seen on the [[orbit MFD]]
* '''PSx''' - Payload Specialist x
+
;PSx:Payload Specialist x
 
==R==
 
==R==
* '''R''' - mean radius or specific gas constant
+
;R:
* '''r0''' - atmospheric density at sea level
+
#mean radius
* '''Rad''' - radial distance (not to be confused with angular unit ''radians'')
+
#specific gas constant
* '''RAnm''' - [[true anomaly]] of reference axis, as seen on the [[synchronise orbit MFD]]
+
;r0:atmospheric density at sea level
* '''Rate''' - rate of change, as seen on the [[align orbital plane MFD]]
+
;Rad:
* '''RCS''' - [[reaction control system]], spacebourne orientation rocket system.
+
#radial distance
* '''RInc''' - [[relative inclination]], as seen on the [[align orbital plane MFD]]
+
#angular unit ''radians''
* '''RVel''' - relative [[velocity]]
+
;RAnm:[[true anomaly]] of reference axis, as seen on the [[synchronise orbit MFD]]
* '''RG''' - [[retrograde]]
+
;Rate:rate of change, as seen on the [[align orbital plane MFD]]
* '''RKA''' - Russian Space Agency
+
;RCS:[[reaction control system]], spacebourne orientation rocket system.
* '''RMS''' - Remote Manipulator System
+
;RInc:[[relative inclination]], as seen on the [[align orbital plane MFD]]
 +
;RVel:relative [[velocity]]
 +
;RG:[[retrograde]]
 +
;RKA:Russian Space Agency
 +
;RMS:'''R'''emote '''M'''anipulator '''S'''ystem
 
==S==
 
==S==
* '''SDLV''' - '''S'''huttle '''D'''erived '''L'''aunch '''V'''ehicle, see [[Ares]]
+
;SDLV:'''S'''huttle '''D'''erived '''L'''aunch '''V'''ehicle, see [[Ares]]
* '''SDHLV''' - '''S'''huttle '''D'''erived '''H'''eavy '''L'''aunch '''V'''ehicle, see [[Ares V]]
+
;SDHLV:'''S'''huttle '''D'''erived '''H'''eavy '''L'''aunch '''V'''ehicle, see [[Ares V]]
* '''SECO''' - '''S'''econdary '''E'''ngine '''C'''utoff or '''S'''ustainer '''E'''ngine '''C'''utoff
+
;SECO:
* '''Sim''' - simulation time (in seconds), as seen in the [[general information display]] or a common abbreviation for "simulator"
+
#'''S'''econdary '''E'''ngine '''C'''ut'''o'''ff
* '''SHP''' - [[ship]], as seen on the [[orbit MFD]]
+
#'''S'''ustainer '''E'''ngine '''C'''ut'''o'''ff
* '''Sh-ToR''' - ship [[time-on-reference]], as seen on the [[synchronise orbit MFD]]
+
;Sim:
* '''SLF''' - shuttle landing facility, see [[Cape Canaveral]]
+
#simulation time (in seconds), as seen in the [[general information display]]
* '''SMa''' - [[semi-major axis]]  
+
#a common abbreviation for "simulator"
* '''SSME''' - Space Shuttle Main Engines [http://en.wikipedia.org/wiki/SSME_%28rocket_engine%29]
+
;SHP:[[ship]], as seen on the [[orbit MFD]]
* '''SMi''' - [[semi-minor axis]]
+
;Sh-ToR:ship [[time-on-reference]], as seen on the [[synchronise orbit MFD]]
* '''SRB''' - Solid Rocket Booster [http://en.wikipedia.org/wiki/Solid_rocket_booster]
+
;SLF:shuttle landing facility, see [[Cape Canaveral]]
* '''SSTO''' - [[Single_Stage_To_Orbit | Single Stage to Orbit]]
+
;SMa:[[semi-major axis]]  
* '''STOVL''' - Short take-off, vertical landing. As performed by the DG on full fuel employing hover thrusters during takeoff.
+
;SSME:Space Shuttle Main Engines [http://en.wikipedia.org/wiki/SSME_%28rocket_engine%29]
* '''STP''' - static [[pressure]]  
+
;SMi:[[semi-minor axis]]
* '''STS''' - space transportation system, [[space shuttle]]
+
;SRB:'''S'''olid '''R'''ocket '''B'''ooster [http://en.wikipedia.org/wiki/Solid_rocket_booster]
 +
;SSTO:[[Single_Stage_To_Orbit | Single Stage to Orbit]]
 +
;STOVL:Short take-off, vertical landing. As performed by the DG on full fuel employing hover thrusters during takeoff.
 +
;STP:static [[pressure]]  
 +
;STS:'''s'''pace '''t'''ransportation '''s'''ystem, [[space shuttle]]
 
==T==
 
==T==
* '''Tgt''' - target, esp. in [[docking]] mode
+
;Tgt:target, esp. in [[docking]] mode
* '''Tg-ToR''' - target [[time-on-reference]], as seen on the [[synchronise orbit MFD]]
+
;Tg-ToR:target [[time-on-reference]], as seen on the [[synchronise orbit MFD]]
* '''T''' - orbit period, measured in seconds
+
;T:orbit period, measured in seconds
* '''TAS''' - true air speed [http://en.wikipedia.org/wiki/True_air_speed]
+
;TAS:true air speed [http://en.wikipedia.org/wiki/True_air_speed]
* '''TKS''' - russian spacecraft for the Almaz program, see [[TKS]]
+
;TKS:russian spacecraft for the Almaz program, see [[TKS]]
* '''TLE''' - two-line elements  
+
;TLE:two-line elements  
* '''TLe''' - eject longitude, as seen on the [[transfer MFD]]
+
;TLe:eject longitude, as seen on the [[transfer MFD]]
* '''TLi''' - intercept longitude, as seen on the [[transfer MFD]]
+
;TLi:intercept longitude, as seen on the [[transfer MFD]]
* '''TLI''' - Trans Lunar Injection
+
;TLI:Trans Lunar Injection
* '''Tn''' - time to node, as seen on the [[align orbital plane MFD]]
+
;Tn:time to node, as seen on the [[align orbital plane MFD]]
* '''TOFS''' - tangential offset [[docking MFD]]
+
;TOFS:tangential offset [[docking MFD]]
* '''TrA''' - [[true anomaly]]
+
;TrA:[[true anomaly]]
* '''TrL''' - [[true longitude]]
+
;TRK:Track ship, as displayed by [[map MFD]]
* '''Ts''' - length of siderial day
+
;TrL:[[true longitude]]
* '''Tth''' - predicted thrust time, as seen on the [[align orbital plane MFD]]
+
;Ts:length of siderial day
* '''TVEL''' - tangential [[velocity]]
+
;Tth:predicted thrust time, as seen on the [[align orbital plane MFD]]
 +
;TVEL:tangential [[velocity]]
 
==U==
 
==U==
* '''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.
+
;UT:'''u'''niversal '''t'''ime, 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.
 
==V==
 
==V==
* '''VASI''' - Visual Approach Slope Indicator, the glideslope lighting system ajacent to runways to guide pilots onto the correct angle of glideslope (normally 3 degrees).
+
;VASI:'''V'''isual '''A'''pproach '''S'''lope '''I'''ndicator, the glideslope lighting system ajacent to runways to guide pilots onto the correct angle of glideslope (normally 3 degrees).
* '''VC''' - virtual cockpit
+
;VC:
* '''Vel''' - [[velocity]]
+
#virtual cockpit
* '''VOR''' - [[very high frequency omnidirectional radio]]
+
#Visual C++, an IDE and C++ compiler by Microsoft.
* '''VS''' - vertical speed
+
;Vel:[[velocity]]
* '''VTOL''' - Vertical Take Off and Landing
+
;VOR:[[very high frequency omnidirectional radio]]
 +
;VS:vertical speed
 +
;VTOL:'''V'''ertical '''T'''ake '''O'''ff and '''L'''anding
 
==W==
 
==W==
* '''Wrp''' - time acceleration factor, seen in the [[general information display]]
+
;Wrp:time acceleration factor, seen in the [[general information display]]
 
==X==
 
==X==
* '''XPDR''' - [[transponder]]
+
;XPDR:[[transponder]]
 
==Y==
 
==Y==
* '''YSC''' -  Yokohama Science Center
+
;YSC:Yokohama Science Center
 
==Z==
 
==Z==
* '''ZM''' - zoom, as seen on the [[map MFD]]
+
;ZM:zoom, as seen on the [[map MFD]]

Revision as of 18:01, 15 March 2006

A

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
AU
astronomical unit

B

BMW
Bate, Mueller, White - author team of a very famous book on astrodynamics and spaceflight (written in 1971)

C

CDI
course deviation indicator
CDR
commander
CEV
Crew Expedition Vehicle, see CEV
COM
communication or communicator
CTRL
Control
CVEL
  1. closing velocity
  2. Common Vessel Extensions Light, see CVEL

D

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, see also Delta-V

E

Ecc
eccentricity
ECL
plane of the ecliptic
ESA
European Space Agency
ET
external tank
EQU
plane of the equator
EVA
Extra vehicular activity, see EVA

F

FGB
russian acronym 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

G
an unit of acceleration. 1 G equals the gravity acceleration on earths surface, 9.81 m/s²
GL
Used often as vehicle name prefix for a Delta-glider
GMT
Greenwich Mean Time.See UT [1]
GPS
global positioning system
GS
ground speed

H

H
Horizon
HLLV
heavy lift launch vehicle
HUD
heads up display
HSI
horizontal situation indicator
HST
Hubble Space Telescope
HTO
hypothetical orbit, as seen on the transfer MFD

I

IAS
indicated air speed [2]
IDS
instrument docking system
ILS
  1. instrument landing system
  2. International launch services, a US-russian joint venture marketing Atlas and Proton launches
Inc
Inclination
ISP
specific impulse, see ISP
ISS
International Space Station

J

JD
julian date

K

KISS
"Keep it simple, stupid!" Famous engineering dogma.[3]
KSC
Kennedy Space Center

L

LAN
longitude of ascending node or local-area network
LDEF
Long Duration Exposure Facility
LEO
Low earth orbit
LPe
longitude of periapsis

M

m
metre
M
Mega (SI prefix). Occasionally mass or mach number
MCC
  1. mid course correction
  2. mission control center
MCC-H
mission control center houston
MCC-M
mission control center moscow
MECO
Main Engine Cutoff
MFD
multifunction display, see MFD
MJD
modified julian date
MMU
manned maneuvering unit, see MMU
MnA
mean anomaly
MnL
mean longitude
MSx
Mission Specialist x
m/s
meters per second, the SI base unit of velocity

N

NAV
  1. navigation
  2. navigation aid

O

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 space shuttle orbiter
OS
orbital speed

P

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

R
  1. mean radius
  2. specific gas constant
r0
atmospheric density at sea level
Rad
  1. radial distance
  2. 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
RKA
Russian Space Agency
RMS
Remote Manipulator System

S

SDLV
Shuttle Derived Launch Vehicle, see Ares
SDHLV
Shuttle Derived Heavy Launch Vehicle, see Ares V
SECO
  1. Secondary Engine Cutoff
  2. Sustainer Engine Cutoff
Sim
  1. simulation time (in seconds), as seen in the general information display
  2. 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 [4]
SMi
semi-minor axis
SRB
Solid Rocket Booster [5]
SSTO
Single Stage to Orbit
STOVL
Short take-off, vertical landing. As performed by the DG on full fuel employing hover thrusters during takeoff.
STP
static pressure
STS
space transportation system, space shuttle

T

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 [6]
TKS
russian spacecraft for the Almaz program, see TKS
TLE
two-line elements
TLe
eject longitude, as seen on the transfer MFD
TLi
intercept longitude, as seen on the transfer MFD
TLI
Trans Lunar Injection
Tn
time to node, as seen on the align orbital plane MFD
TOFS
tangential offset docking MFD
TrA
true anomaly
TRK
Track ship, as displayed by map MFD
TrL
true longitude
Ts
length of siderial day
Tth
predicted thrust time, as seen on the align orbital plane MFD
TVEL
tangential velocity

U

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.

V

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
  1. virtual cockpit
  2. Visual C++, an IDE and C++ compiler by Microsoft.
Vel
velocity
VOR
very high frequency omnidirectional radio
VS
vertical speed
VTOL
Vertical Take Off and Landing

W

Wrp
time acceleration factor, seen in the general information display

X

XPDR
transponder

Y

YSC
Yokohama Science Center

Z

ZM
zoom, as seen on the map MFD