If you want more information about LotAtc 2.0.0, check the LotAtc 2.0.0-alpha1 post here

Here is the first beta for LotAtc 2.0.0, it contains better performances and stability

If you have used previous alpha version of 2.0.0 :

  • Uninstall previous install then reinstall client (do not forget to select all required terrains).
  • remove old settings by follow instructions HERE

I also introduce a context menu in LotAtc, it gives fast access to draw/objects properties.

Continue to send me feedback on Discord or by mail to help me to make it better and more stable! Thanks !

Following documentation has been updated/created for 2.X, I begin to update all documentation for 2.x :

In parallel of this release, I work hard on LotAtc Advanced and LotAtc Generator that will let you to use LotAtc without need of DCS for learning/training purpose. I will communicate more on that in next weeks…


Click to see the changelog for LotAtc 2.0.0-beta1...

Changes since 2.0.0-alpha3


Add automatic switch on airport display (name or code), following zoom value
Can use approach views on airport view and/or on tactical view
Show total map width with scale on bottom right
Transponder IFF simulate Mode 1, 2, 3, S (4 and 5 are coming)
Server side licenses ALLOWS airport view also


  • All tables are faster and 4k friendly
  • Fix too much updates in some cases
  • Better texture management on map display
  • Label management is faster and no more blocking display

Better IDENT mode display
Better radar list display (mono radar mode selection and radio radar selection)
Add transponder mode label (can only display mode 1,2,3,S…)
Busy indicator on top right show maps loading activity
Add tips in some place to help to use LotAtc more efficiently (more to come)

Fix maps/airport install
BRAA management fixed

  • Better display in list
  • Add quick del button
  • Change more easily unit and bearing mode for each BRAA from the list
  • Fix BRAA from/to bulls

Fix crash with type label
Fix not correct version not shown correctly when try to connect to a server not compatible
Fix dynamic dock (approach, properties…) not correctly close when disconnect
Fix coalition not correctly managed in connection dialog
Fix coalition changes on item not always displayed
No more ATIS management for SRS (only available with UniversRadio)
Fix server pause status display
Remove Alt+click to add draw, use right click (contextual menu) now to do so
Fix in approach view
Ground filter remove aircraft on friend airports


Add quick mission in DCS to use LotAtc with test mission
Administrator can customize config.lua with config.custom.lua file

Server commands only available to specific users

New client connected received all units at start quickly
RCS management is now working correctly
With neutral coalition by default options, no more data will be display for :

  • Detection/threat range for ENI
  • Type for ENI ship/sams
  • Callsign for ENI ship/sams

Fix bad detection status in some cases
Fix crash when using mono-radar simulation
Add vcredist in OvGME package
Fix chat always blocked in chat_filter set to void
Fix magvar not deployed

Next is the same than 2.0.0-alpha3:


Add airport view, you can see aircraft on taxiways now (“airport view” button on airport properties dock)

  • Display aircrafts with top view symbol on airport even if not moved
  • Complete modelisation of airport with parking, taxiways labelised, currently status:
    • Caucasus is fully available
    • PG is WIP (Iran airports missing, no taxing names yet)
    • Nevada will come in later version

[Advanced] Add theme support: you can load/save theme and switch themes easily
Theme contains:

  • maps colors
  • layers colors/opacity
  • Symbology

Add SRS support (need last SRS version)

In LotAtc:

  • Open Radio dock
  • Select SRS, then activate
  • Choose a location (airport, AWACS…)

See SRS Discord for more help!

Thanks Ciribob!

[Advanced] Add server admin commands
If enable in config.lua you will be able to pause/unpause/stop the mission directly from LotAtc client

Add opacity slider for filtered objects
All settings are now saved in %appdata% directory (Users directory), no more in register
User can export/import settings
Add toggle mode for measure line, first click will start measure, then just move the mouse to get a BRA, click again to hide it
Add context menu on map
Integrate airports view for all airports on Nevada and Persian Gulf

Dock management update

  • Single click to open/close dock
  • Ctrl+click to maximize/restore
  • Shift+click to maximize/minimize

Label management update

  • Label overlap can be customized (nothing, hide on overlap, increase distanse, increase angle…)
  • Label still be rotated manually by shift+clmick or shift+ctrl+click

Update maps, layers for Caucasus, Nevada, PersianGulf
Optimisation in map loading
Show server pause status
Dark theme is now the default one
Approach is now available in airport view
Lots of cosmetics

Layers setting (color/opacity) badly saved/load sometimes
Fix some crash with maps loading
Fix winds display in weather
Fix table display that not follow font size
Better HiDpi display (4K)
Fix UniversRadio ID on airports
Lots of fixes…
Fix properties are shown on spotting element (need to have a track to get data)


Rework of radar modelization

  • 2 modes:
    • Global: all available radars make the total radar coverage as in LotAtc 1.X
    • Monoradar (WIP): Each controller will have to choose the radar to use, it will get only contacts from this one (later coverage will be completed by datalink simulation)
  • Add RCS simulation: all items (planes, heliccopters, missiles…) will be computed and displayed if radar can see it using their RCS resolutaion and item own RCS
  • Add Radar resolution : if enabled, radar will not see items near each other, only one track could be made ( for example 3 aircrafts separated by 20m will be seen as only one contact)
  • Add spot/track management : radar will first see a spot with no data, then after a while (for example 6s, could be csutomized) if the spot is always there, a track will be made on it (and have data as speed, hedaing, symbol…)

All theses options can be enable/disable in profile lua file (see profile/custom.lua for more help).

Better support for dedicated server

  • Enable dedicated_mode in config lua
  • No more need to edit Config/Options.lua
  • Put your licenses in Saved Games//LotAtc Data/Licenses/ In config.lua, enable dedicated_mode, no more need to edit Config/options.lua, just install LotAtc mods now in dedicated saved games directory

Add more control to controllers login
Server admins can now:

  • Blacklist/Whitelist Ips (there is still some troubles with IP6 support)
  • Add specific username/password that will be authorized to connect with LotAtc
  • Enable/disable old login way by standard passwords (blue/red one)

Fixes enemy type not correctly reset in realistic mode
When no controllers are connected, footprint of LotAtc server (CPU/RAM) have been reduced
Update internal librairies
When no relief installed, radar see nothing, now it will see as terrain is plate
Lots of fixes…


Add compression on network exchange
Callsign support
User directory has been renamed from C:\Users\you\LotAtc 4 DCS Data\ C:\Users\you\LotAtc Data</span>
Fix latence on network transmission


It is a beta version, consider it as UNSTABLE If you want something stable, use the stable version

Server LotAtc4DCS - 2.0.0-beta1 (EXE)

Server LotAtc4DCS - 2.0.0-beta1 (OvGME/JSGME)

  • You will need to install the following files for OvGME/JSGME Mod version (no need with the exe) and unzip it in your {Users}\LotAtc Data\ directory. (ex: C:\Users\DArt\LotAtc Data\relief.db)

  • FOLLOW INSTRUCTIONS IN README inside the package


It is a beta version, consider it as UNSTABLE If you want something stable, use the stable version

Client LotAtc4DCS - 64 bits - 2.0.0-beta1 (EXE)


You can contact me: