A2OA: Patch v1.59

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ARMA 2 Operation Arrowhead Patch 1.50-1.58 to 1.59

Copyright (c) 2011 Bohemia Interactive. All rights reserved.

This free update is sponsored by Bohemia Interactive store http://store.bistudio.com/, the online store where you can buy Arma 2 titles and other games directly from the developers.

Download Mirrors



CRC32: 53D3E34D
MD5: 0D74F00ECBA0FDB767102120AEE60491
SHA-1: 299A7483E279CC5C4FA672139A2AE661CA9FE1F3


An original version of Arma 2: Operation Arrowhead 1.50-1.58.


  • Run the patch exe to apply the patch setup automatically.
  • It will install all content of the patch to the folder with your Arma 2: Operation Arrowhead installation.
  • Please note that it is not possible to rollback to a previous version after the installation of this patch, only a full reinstall of the game is possible, if you want to keep your previous version you may want to backup the entire game installation folder before applying this patch.
  • NOTE: This patch will also update your:
    • ARMA 2 1.05 to 1.09.
    • ARMA 2 BAF 1.00 to 1.02 if necessary.
    • ARMA 2 PMC 1.00 to 1.01 if necessary.


  • Significantly improved convoy and driving AI behaviour
  • Numerous combat AI enhancements and fixes
  • Enhanced vegetation rendering
  • Improved commanding interface
  • Several MP security fixes
  • Tweaked speed of transition animations

Version 1.58-1.59 Changelog


  • Fixed: Su-34 crashed after take off when player was a gunner (http://dev-heaven.net/issues/18371)
  • Optimized: Improved FPS in some scenes when looking through scope into forest.
  • Fixed: Crash after UI navigation Options > Audio Options > Auto adjust > Cancel
  • Improved: Quick commanding menu now allows to order multiple units to engage or fire at the same time.
  • Fixed: regularCheck no longer done for players not fully ingame to prevent timeouts during the mission loading.
  • Changed: Manual vectoring control in autohover mode with analogue throttle using Flaps actions.
  • Fixed: Helicopter did not take off when engine was off and enemies nearby.
  • Improved: Faster Signature checks on server side.
  • Improved: Only first AI unit in each formation reports its position on Report Status.