Category:Watchkeeper UAS

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WK450 01

RKSL Studios presents the WK450 Watchkeeper 450 Remotely Piloted Air System.UPDATED v3.112

The Watchkeeper WK450 is a Remotely Piloted Air System (RPAS) for all weather, intelligence, surveillance, target acquisition, and reconnaissance (ISTAR) use by the British Army.

It has a mass of 450 kg, a typical endurance of 17 hours, a payload capacity of 150 kg and uses a rotary Wankel engine. It can operate up to 150 km from the Ground Control Station (although multiple stations can be linked to extend the range). It was originally intended to enter service in June 2010, but years of delays, technical issues, hardware modifications, difficulties in training sufficient pilots and incidents means that it is not expected to be fully operational until late 2017.


You may:

DISTRIBUTION: You may distribute the original .PBO files within this download freely, so long as the PBO files are unmodified and the Readme and EULA files are included.

Under the following conditions:

ATTRIBUTION: You must give the original author credit. The content of this archive is the sole intellectual property of RKSL Studios and its Creators.

NO COMMERCIAL USE: This content is provided free of charge solely for entertainment purposes. You may not use this addon for commercial, military or teaching/training purposes.

NO DERIVATIVE WORKS: You shall in no way modify, repackage or reverse engineer any of the archive's content and PBO files included in this download without first receiving prior permission from RKSL Studios.

NO VBS USE: Use of this SOFTWARE may not be used in the VBS/JCOVE product lines or any other simulator without written authorization from the LICENSOR (RKSL Studios)

DO NOT UPLOAD TO STEAM WORKSHOP: You may not upload to Steam Workshop or any other service that reassigns rights over RKSL Studios Intellectual Property to 3rd Parties.


Common A3 RKSL Studios EULA[]

POLICY ON RE-UPLOADS FOR STEAM: Any uploads will be met with a DMCA takedown request[].


WK450 Watchkeeper v3.112[]


  • The Watchkeeper IS UNARMED
  • It does not even have Countermeasures.
  • Ground Control Station - placeable 20ft ISO container unit - Simply a way to tidy your loose UAV operators away. A light Armoured box to prtect your men and provide a target object for OPFOR
  • Improved sensors and Radar

Planned Future Features

  • Transport Container - placeable 20ft ISO container unit - intended for future use.
  • MAGIC-ATOLS - Microwave And GPS Integrated Cooperative - Automatic TakeOff and Landing System - Deployable runway using BIS carrier technology Intended for furture development.
  • Dismountable from support vehicles.


All known issues are recorded in the WK450 Bug Tracker. If you find any problems please report them and help make these addons better.

WK450 Watchkeeper BUG TRACKER[]


This addons and model is 100% unique and does not incorporate any 3rd party content:

Model: Rock
Textures: Rock
Config: Rock
  • The lads of DAR-V
  • Fuller of Task Force 316
  • Mathias aka ToxicLemon
Research & Information
  • British Army Website
  • Ministy of Defence Images
  • Ministry of Defence - Defence Equipment and Support - DeSider magazine
  • Phil, Julian & Marc of Royal Artillery. (Great info on the use of H450 and WK450 in Afghanistan - Some declassified pics and great banter.)
  • Francois P of Thales (Very supportive, lots of pointers on where to look for reference.)
  • Ari of Elbit (Forgotten his last name - met at a tradeshow and he was enormously helpful.)



Dec 24th 2017

QUICK NOTE: About Steam Workshop reuploads. We will remove any re-uploaded content. If you don't know there is a tool that crawls the Steam Workshop and matches files so even if you upload it for "Private/clan use" we will find it and we will issue a DMCA Take down request. Instead, Just create a Collection and save us all the trouble.

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