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Instrument Landing System


If you install the ILS equipment and put your target lock to a station then will use your steering controls and guide your ship into the dock. Meantime the speed controls are in your hand so you can ignite Injectors to arrive much faster than with the old Docking Computers.

The ILS mark the current waypoint with a white flashing lightball which will approach the dock if you go nearer to the station. You can temporary override the ILS steering but when you release your controls the ILS will turn your ship to the waypoint again.


You can stop if needed by lowering your thrust to zero, for example to avoid a collision.

ILS steering suspended until your ship is stopped, so if you want to do another than landing then you can stop and lock the station.

If you change or remove the target lock the ILS turn off automatically.

Another way to avoid ILS is the missile targeting mode: use the "t" key instead of "r" to lock a station and ILS will not switch on.

No ILS in red alert except if weapons are offline.

ILS will rotate your ship in the last 2km if your ship is wider than the height of the dock.

Cost: 50.0 Cr
Techlevel: 5

No more traffic jam

NPC ships can dock much faster with ILS, using a shorter path and injectors, narrow ones without roll. Effectively cure traffic jams near stations when you are waiting for landing clearance.

You don't need to buy the ILS equipment, just keep the addon installed and all NPCs will use it. Ils npc.png

Injector equipped ships will arrive in seconds, slow down in the the last 2km only.

You must wait until the current ILS-user ship is docked before you can use ILS.

If you target the station while another ship using ILS then you lock on the landing ship - a help to find where it is. If you keep the station in your crosshairs when the current ship arrive into the dock then you get the right to use ILS regardless of there are others in the queue.

Alternatively you can wait until all ships arrive into the dock - you can not break an already started ILS approach.


Oolite v1.77 or later.


Do not unzip the .oxz file, just move into the AddOns folder of your Oolite installation.


This work is licensed under the Creative Commons Attribution-NonCommercial-ShareAlike License version 4.0. If you are re-using any piece of this OXP, please let me know by sending an e-mail to norbylite at


2016.05.20. v1.11 Rotation fix at Torus stations, thanks to pkhb.
                  Smoother start of ILS steering as the ship has inertia.
2016.03.27. v1.9  ILS will rotate your ship in the last 2km if wider than the height of the dock.
                  Wide NPCs can rotate before dock to prevent lockdown at non-rolling stations.
                  NPC will slow during ILS approach when a ship is near to prevent collision.
                  Use less CPU by searching new ships in timer instead of FCB.
                  Fixed a minor bug in NPC logic when player launch.
2016.01.11. v1.8  Display a warning message if you must roll to fit into the dock.
                  No ILS in red alert except if weapons are offline.
                  NPCs will not dock until player has docking clearance.
                  NPCs will not use ILS at moving docks like Behemoth.
                  Landing NPC will stop when player launch from a station.
                  No more auto target lock on new ILS user NPCs.
2015.11.29. v1.7  Wide NPCs can use ILS, these will wait for the right position.
                  Lonq queues finish faster due to the speed based selection of next NPC.
                  Auto switch to the next ship when the current ILS user suffer attack.
                  No more "ILS set to" message when player is docked.
2015.11.28. v1.6  NPC ILS improved: earn higher speed and up to 95m width for Krait.
                  Must wait NPC to dock before ILS can be used by the player.
                  Targeted NPC will not get priority over others.
2015.11.27. v1.5  Most NPC ships can dock faster without roll, up to 80m width.
2015.03.21. v1.4  Fixed landing in Rock Hermits.
                  Fixed a bug with Towbar.
2014.10.01. v1.3  No ILS in missile targeting mode.
                  ILS steering suspended until player ship is stopped.
                  Fixed Telescope visual target shaking during ILS steering.
                  Using reduced turn rates when there is a ship on Towbar.
2014.09.30. v1.2  Refined approaching curve with less sharp turn at the end.
                  Fixed the white marker.
2014.09.29. v1.1  Small fixes, for example Carriers will not turn on ILS.
2014.09.29. v1.0  First release.


ILS.1.11.oxz‎ (downloaded 2091 times).

Old versions:

ILS.1.9.oxz‎ (downloaded 409 times).

ILS.1.8.oxz‎ (downloaded 613 times).

ILS.1.7.oxz‎ (downloaded 409 times).

ILS.1.4.oxz‎ (downloaded 1455 times).

Quick Facts

Version Released License Features Category Author(s) Feedback
1.11 2016-05-20 CC BY-NC-SA 4 Landing System Equipment OXPs Norby BB-Link