# Services Variables<no value>
The tables below indicate the requirements for the [Simulation Variables](../simulation-variables/) that can be used to get and set the different properties for the available airport service vehicles and personnel. For information on the units listed for each variable, please see here: [Simulation Variable Units](../simulation-variable-units/)

You can find a complete index of all available SimVars here: [SimVar Index](../simulation-variables/#simvar-index)


### Baggage Loader

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| Simulation Variable   | Index| Description    | Units   |Settable     |
|---|---|---|---|:---:|
| {{< anchor id="BAGGAGELOADER-ANGLE-CURRENT" />}}`BAGGAGELOADER ANGLE CURRENT` | N/A | Current angle of the baggage loader ramp, relative to the ground.    | Degrees | {{< check/good >}} |
| {{< anchor id="BAGGAGELOADER-ANGLE-TARGET" />}}`BAGGAGELOADER ANGLE TARGET` | N/A | Target angle of the baggage loader ramp, relative to the ground.     | Degrees | {{< check/good >}} |
| {{< anchor id="BAGGAGELOADER-END-RAMP-Y" />}}`BAGGAGELOADER END RAMP Y` | N/A | "Y" axis position of the end of the baggage loader ramp, relative to the ground. | Meters  | {{< check/bad >}} |
| {{< anchor id="BAGGAGELOADER-END-RAMP-Z" />}}`BAGGAGELOADER END RAMP Z` | N/A | "Z" axis position of the end of the baggage loader ramp, relative to the ground. | Meters  | {{< check/bad >}} |
| {{< anchor id="BAGGAGELOADER-PIVOT-Y" />}}`BAGGAGELOADER PIVOT Y` | N/A | "Y" axis position of the baggage loader ramp pivot, relative to the ground.| Meters  | {{< check/bad >}} |
| {{< anchor id="BAGGAGELOADER-PIVOT-Z" />}}`BAGGAGELOADER PIVOT Z` | N/A | "Z" axis position of the baggage loader ramp pivot, relative to the ground.| Meters  | {{< check/bad >}} |

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### Boarding Ramp

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| Simulation Variable | Index| Description | Units    |Settable     |
|---|---|---|---|:---:|
| {{< anchor id="BOARDINGRAMP-ELEVATION-CURRENT" />}}`BOARDINGRAMP ELEVATION CURRENT` | N/A | The current altitude {{< glossterm >}}agl{{< /glossterm >}} of the top of the boarding ramp stairs.    | Meters   | {{< check/good >}} |
| {{< anchor id="BOARDINGRAMP-ELEVATION-TARGET" />}}`BOARDINGRAMP ELEVATION TARGET` | N/A | The target altitude {{< glossterm >}}agl{{< /glossterm >}} of the top of the boarding ramp stairs.     | Meters   | {{< check/good >}} |
| {{< anchor id="BOARDINGRAMP-END-POSITION-Y" />}}`BOARDINGRAMP END POSITION Y` | N/A | The "Y" axis position of the top of the boarding ramp stairs when extended at maximal capacity, relative to the ground. | Meters   | {{< check/bad >}} |
| {{< anchor id="BOARDINGRAMP-END-POSITION-Z" />}}`BOARDINGRAMP END POSITION Z` | N/A | The "Z" axis position of the top of the boarding ramp stairs when extended at maximal capacity, relative to the ground. | Meters   | {{< check/bad >}} |
| {{< anchor id="BOARDINGRAMP-ORIENTATION-CURRENT" />}}`BOARDINGRAMP ORIENTATION CURRENT` | N/A | The current orientation of the boarding ramp stairs, where 0 is at rest and 1 is suited for boarding. | {{< glossterm >}}percent_over_100{{< /glossterm >}} | {{< check/good >}} |
| {{< anchor id="BOARDINGRAMP-ORIENTATION-TARGET" />}}`BOARDINGRAMP ORIENTATION TARGET` | N/A | The target orientation of of the boarding ramp stairs, where 0 is at rest and 1 is suited for boarding.     | {{< glossterm >}}percent_over_100{{< /glossterm >}} | {{< check/good >}} |
| {{< anchor id="BOARDINGRAMP-START-POSITION-Y" />}}`BOARDINGRAMP START POSITION Y` | N/A | The "Y" axis position of the top of the boarding ramp stairs when at minimal extension, relative to the ground.   | Meters   | {{< check/bad >}} |
| {{< anchor id="BOARDINGRAMP-START-POSITION-Z" />}}`BOARDINGRAMP START POSITION Z` | N/A | The "Z" axis position of the top of the boarding ramp stairs when at minimal extension, relative to the ground.   | Meters   | {{< check/bad >}} |
| {{< anchor id="BOARDINGRAMP-STRAIGHT-POSITION-Y" />}}`BOARDINGRAMP STRAIGHT POSITION Y` | N/A | The "Y" axis position of the top of the boarding ramp stairs when extended straight, relative to the ground.| Meters   | {{< check/bad >}} |
| {{< anchor id="BOARDINGRAMP-STRAIGHT-POSITION-Z" />}}`BOARDINGRAMP STRAIGHT POSITION Z` | N/A | The "Z" axis position of the top of the boarding ramp stairs when extended straight, relative to the ground.| Meters   | {{< check/bad >}} |

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### Catering Truck

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| Simulation Variable | Index| Description    | Units    |Settable     |
|---|---|---|---|:---:|
| {{< anchor id="CATERINGTRUCK-AIRCRAFT-DOOR-CONTACT-OFFSET-Z" />}}`CATERINGTRUCK AIRCRAFT DOOR CONTACT OFFSET Z` | N/A | The "Z" axis position of the point of contact between the catering truck and the bottom of the aircraft door, relative to the ground.  | Meters   | {{< check/bad >}} |
| {{< anchor id="CATERINGTRUCK-ELEVATION-CURRENT" />}}`CATERINGTRUCK ELEVATION CURRENT` | N/A | The current altitude {{< glossterm >}}agl{{< /glossterm >}} of the bottom of the catering truck container.| Meters   | {{< check/good >}} |
| {{< anchor id="CATERINGTRUCK-ELEVATION-TARGET" />}}`CATERINGTRUCK ELEVATION TARGET` | N/A | The target altitude {{< glossterm >}}agl{{< /glossterm >}} of the bottom of the catering truck container. | Meters   | {{< check/good >}} |
| {{< anchor id="CATERINGTRUCK-OPENING-CURRENT" />}}`CATERINGTRUCK OPENING CURRENT` | N/A | The current state of the catering truck when opening the container and deploying the bridge, where 0 is fully closed and 1 is fully opened and deployed. | {{< glossterm >}}percent_over_100{{< /glossterm >}} | {{< check/good >}} |
| {{< anchor id="CATERINGTRUCK-OPENING-TARGET" />}}`CATERINGTRUCK OPENING TARGET` | N/A | The target state of the catering truck the container is opene and the bridge deployed, where 0 is fully closed and 1 is fully opened and deployed. | {{< glossterm >}}percent_over_100{{< /glossterm >}} | {{< check/good >}} |

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### Fuel Truck

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| Simulation Variable | Index| Description     | Units    |Settable     |
|---|---|---|---|:---:|
| {{< anchor id="FUELTRUCK-HOSE-DEPLOYED" />}}`FUELTRUCK HOSE DEPLOYED` | N/A | The current deployment amount of the fuel truck hose. Currently can only be set to 0 (not deployed) and 1 (deployed). | {{< glossterm >}}percent_over_100{{< /glossterm >}} | {{< check/good >}} |
| {{< anchor id="FUELTRUCK-HOSE-END-POSX" />}}`FUELTRUCK HOSE END POSX` | N/A | The "X" axis position of the end of the fuel truck hose when fully deployed, relative to the ground.| Meters   | {{< check/bad >}} |
| {{< anchor id="FUELTRUCK-HOSE-END-POSZ" />}}`FUELTRUCK HOSE END POSZ` | N/A | The "Z" axis position of the end of the fuel truck hose when fully deployed, relative to the ground.| Meters   | {{< check/bad >}} |
| {{< anchor id="FUELTRUCK-HOSE-END-RELATIVE-HEADING" />}}`FUELTRUCK HOSE END RELATIVE HEADING` | N/A | The heading of the end of the fuel truck hose, relative to the vehicle heading.   | Degrees  | {{< check/bad >}} |

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### Ground Power Units

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| Simulation Variable | Index| Description| Units    |Settable     |
|---|---|---|---|:---:|
| {{< anchor id="GROUNDPOWERUNIT-HOSE-DEPLOYED" />}}`GROUNDPOWERUNIT HOSE DEPLOYED` | N/A | The current deployment amount of the ground power unit hose. Currently can only be set to 0 (not deployed) and 1 (deployed). | {{< glossterm >}}percent_over_100{{< /glossterm >}} | {{< check/good >}} |
| {{< anchor id="GROUNDPOWERUNIT-HOSE-END-POSX" />}}`GROUNDPOWERUNIT HOSE END POSX` | N/A | The "X" axis position of the end of the ground power unit hose when fully deployed, relative to the ground.| Meters   | {{< check/bad >}} |
| {{< anchor id="GROUNDPOWERUNIT-HOSE-END-POSZ" />}}`GROUNDPOWERUNIT HOSE END POSZ` | N/A | The "Z" axis position of the end of the ground power unit hose when fully deployed, relative to the ground.| Meters   | {{< check/bad >}} |
| {{< anchor id="GROUNDPOWERUNIT-HOSE-END-RELATIVE-HEADING" />}}`GROUNDPOWERUNIT HOSE END RELATIVE HEADING` | N/A | The heading of the end of the ground power unit hose, relative to the vehicle heading.   | Degrees  | {{< check/bad >}} |

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### Jetway

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| Simulation Variable | Index| Description    | Units |   Settable   |
|---|---|---|---|:---:|
| {{< anchor id="JETWAY-HOOD-LEFT-BEND" />}}`JETWAY HOOD LEFT BEND` | N/A | The target position for the left bend animation of the jetway hood.  | Percent     | {{< check/good >}} |
| {{< anchor id="JETWAY-HOOD-LEFT-DEPLOYMENT" />}}`JETWAY HOOD LEFT DEPLOYMENT` | N/A | The target angle for the left deployment animation of the jetway hood, where 0 is considered vertical.   | Degrees     | {{< check/good >}} |
| {{< anchor id="JETWAY-HOOD-RIGHT-BEND" />}}`JETWAY HOOD RIGHT BEND` | N/A | The target position for the right bend animation of the jetway hood. | Percent     | {{< check/good >}} |
| {{< anchor id="JETWAY-HOOD-RIGHT-DEPLOYMENT" />}}`JETWAY HOOD RIGHT DEPLOYMENT` | N/A | The target angle for the right deployment animation of the jetway hood, where 0 is considered vertical.  | Degrees     | {{< check/good >}} |
| {{< anchor id="JETWAY-HOOD-TOP-HORIZONTAL" />}}`JETWAY HOOD TOP HORIZONTAL` | N/A | Target position for the top horizontal animation of the jetway hood. Values can be between -100% and 100%.     | Percent     | {{< check/good >}} |
| {{< anchor id="JETWAY-HOOD-TOP-VERTICAL" />}}`JETWAY HOOD TOP VERTICAL` | N/A | Target position for the top vertical animation of the jetway hood. Values can be between -100% and 100%. | Percent     | {{< check/good >}} |
| {{< anchor id="JETWAY-MOVING" />}}`JETWAY MOVING` | N/A | This will be 1 (TRUE) ID the jetway *body* is currently moving (it will not include checks on hood animation). | Bool  | {{< check/good >}} |
| {{< anchor id="JETWAY-WHEEL-ORIENTATION-CURRENT" />}}`JETWAY WHEEL ORIENTATION CURRENT` | N/A | The current angle of the jetway wheels.| Degrees     | {{< check/good >}} |
| {{< anchor id="JETWAY-WHEEL-ORIENTATION-TARGET" />}}`JETWAY WHEEL ORIENTATION TARGET` | N/A | The (approximate) target angle for the jetway wheels.    | Degrees     | {{< check/good >}} |
| {{< anchor id="JETWAY-WHEEL-SPEED" />}}`JETWAY WHEEL SPEED` | N/A | The current speed of the jetway wheels.| Meters per second | {{< check/good >}} |

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### Marshaller

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| Simulation Variable | Index| Description    | Units     |Settable     |
|---|---|---|---|:---:|
| {{< anchor id="MARSHALLER-AIRCRAFT-DIRECTION-PARKINGSPACE" />}}`MARSHALLER AIRCRAFT DIRECTION PARKINGSPACE` | N/A | *Currently not used in the simulation.*| Degrees   | {{< check/bad >}} |
| {{< anchor id="MARSHALLER-AIRCRAFT-DISTANCE" />}}`MARSHALLER AIRCRAFT DISTANCE` | N/A | The distance between the Marshaller and the aircraft.    | Meters    | {{< check/bad >}} |
| {{< anchor id="MARSHALLER-AIRCRAFT-DISTANCE-DIRECTION-X-PARKINGSPACE" />}}`MARSHALLER AIRCRAFT DISTANCE DIRECTION X PARKINGSPACE` | N/A | Position on the X axis of the aircraft in the parking space (negative means the aircraft is on the left side and positive the right side).   | Meters    | {{< check/bad >}} |
| {{< anchor id="MARSHALLER-AIRCRAFT-DISTANCE-DIRECTION-Z-PARKINGSPACE" />}}`MARSHALLER AIRCRAFT DISTANCE DIRECTION Z PARKINGSPACE` | N/A | Position on the Z axis of the aircraft in the parking space (negative means the aircraft is behind the parking space and positive is in front of the parking space). | Meters    | {{< check/bad >}} |
| {{< anchor id="MARSHALLER-AIRCRAFT-ENGINE-SHUTDOWN" />}}`MARSHALLER AIRCRAFT ENGINE SHUTDOWN` | N/A | True if the engine(s) of the aircraft is (are) shut down.| Bool| {{< check/bad >}} |
| {{< anchor id="MARSHALLER-AIRCRAFT-HEADING-PARKINGSPACE" />}}`MARSHALLER AIRCRAFT HEADING PARKINGSPACE` | N/A | Angle between the direction of the aircraft and the direction of the parking place.    | Degrees   | {{< check/bad >}} |
| {{< anchor id="MARSHALLER-AIRCRAFT-PROJECTION-POINT-PARKINGSPACE" />}}`MARSHALLER AIRCRAFT PROJECTION POINT PARKINGSPACE` | N/A | Value in Z axis of the projection from the aircraft position following the heading of the aircraft.| Meters    | {{< check/bad >}} |
| {{< anchor id="MARSHALLER-AIRCRAFT-VELOCITY" />}}`MARSHALLER AIRCRAFT VELOCITY` | N/A | The velocity of the aircraft.    | {{< glossterm >}}knots{{< /glossterm >}} | {{< check/bad >}} |

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### Pushback

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| Simulation Variable | Index | Description | Units | Settable |
|---|---|---|---|:---:|
| {{< anchor id="PUSHBACK-ANGLE" />}}`PUSHBACK ANGLE` | N/A | Pushback angle (the heading of the tug). | Radians |  {{< check/bad >}}  |
| {{< anchor id="PUSHBACK-ATTACHED" />}}`PUSHBACK ATTACHED` | N/A | True if this vehicle is attached to an aircraft. | Bool |  {{< check/good >}}  |
| {{< anchor id="PUSHBACK-AVAILABLE" />}}`PUSHBACK AVAILABLE` | N/A | True if a push back is available on the parking space. | Bool |  {{< check/good >}}  |
| {{< anchor id="PUSHBACK-CONTACTX" />}}`PUSHBACK CONTACTX` | N/A | The towpoint position, relative to the aircrafts datum reference point. | Feet ({{< glossterm >}}ft{{< /glossterm >}}) |  {{< check/bad >}}  |
| {{< anchor id="PUSHBACK-CONTACTY" />}}`PUSHBACK CONTACTY` | N/A | Pushback contact position in vertical direction. | Feet ({{< glossterm >}}ft{{< /glossterm >}}) |  {{< check/bad >}}  |
| {{< anchor id="PUSHBACK-CONTACTZ" />}}`PUSHBACK CONTACTZ` | N/A | Pushback contact position in fore/aft direction. | Feet ({{< glossterm >}}ft{{< /glossterm >}}) |  {{< check/bad >}}  |
| {{< anchor id="PUSHBACK-STATE" />}}`PUSHBACK STATE` | N/A | Type of pushback. | Enum:<span></span>{{< params/smallfont >}}0 = Straight<span></span>1 = Left<span></span>2 = Right{{< /params/smallfont >}} |  {{< check/good >}}  |
| {{< anchor id="PUSHBACK-WAIT" />}}`PUSHBACK WAIT` | N/A | True if waiting for pushback. | Bool |  {{< check/bad >}}  |

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### Wagons

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| Simulation Variable     | Index| Description    | Units   |Settable     |
|---|---|---|---|:---:|
| {{< anchor id="WAGON-BACK-LINK-LENGTH" />}}`WAGON BACK LINK LENGTH` | N/A | The length of the link at the back of the vehicle used to attach a wagon behind. | Meters  | {{< check/bad >}} |
| {{< anchor id="WAGON-BACK-LINK-ORIENTATION" />}}`WAGON BACK LINK ORIENTATION` | N/A | The current orientation of the link at the back of the vehicle used to attach a wagon behind.| Degrees | {{< check/good >}} |
| {{< anchor id="WAGON-BACK-LINK-START-POSZ" />}}`WAGON BACK LINK START POSZ` | N/A | The "Z" axis position of the start of the link at the back of the vehicle used to attach a wagon behind, relative to the ground. | Meters  | {{< check/bad >}} |
| {{< anchor id="WAGON-FRONT-LINK-LENGTH" />}}`WAGON FRONT LINK LENGTH` | N/A | The length of the link at the front of the vehicle used to be attached as wagon. | Meters  | {{< check/bad >}} |
| {{< anchor id="WAGON-FRONT-LINK-ORIENTATION" />}}`WAGON FRONT LINK ORIENTATION` | N/A | The current orientation of the link at the front of the vehicle used to be attached as wagon.| Degrees | {{< check/good >}} |
| {{< anchor id="WAGON-FRONT-LINK-START-POSZ" />}}`WAGON FRONT LINK START POSZ` | N/A | The "Z" axis position of the start of the link at the front of the vehicle used to be attached as wagon, relative to the ground. | Meters  | {{< check/bad >}} |

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