A2OA: Patch v1.57

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ARMA 2 Operation Arrowhead UPDATE 1.57

Copyright (c) 2010 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

  • 1.50 to 1.57 update
CRC32: 0a2a9f1c
MD5: c2b61af162e0c48c9f78d66a4ca2c408
SHA-1: 1e3a5340246f962d7cf9f1980ef0c1936cc43d1e




An original version of Arma 2: Operation Arrowhead 1.50-1.56.


  • Run the patch exe to apply the patch setup automatically.
  • It will install all patch content 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 1.08.
    • ARMA 2 BAF 1.00+ to 1.02 if necessary.
    • ARMA 2 PMC 1.00 to 1.01 if necessary.
    • BattlEye to latest version for all titles

Version 1.57 Highlights

  • improved netcode (better locality handling)
  • new scripting commands
  • 4 new bonus scenarios for owners of the full version of Arma 2: Private Military Company

Version 1.56-1.57 Changelog


  • Add: camo (replaceable textures) selections for M2A2/3.
  • Changed: GPS added for all SUVs.
  • Fixed: A/MH6 main rotor artifact.
  • Fixed: Missions: 06 From Hell, task "Locate the pilot" always failed.


  • Fixed: Cursor on the windows borders no longer flashing when attempting to drag/resize the window.
  • Fixed: Win7/Vista Aero preview should no longer be activated by mouse movement while playing.
  • Fixed: Helicopters no longer lifting off when aircraft passed over them (http://dev-heaven.net/issues/14589).
  • Fixed: AI Helicopters wobbling up and down (http://dev-heaven.net/issues/14410).
  • Improved: Enemy targets are now unassigned once their crew is killed.
  • Fixed: doFire did not work on most targets.
  • New: Multihome servers support. Commandline parameter -ip=my.ip.add.res available.
  • Fixed: SetCaptive doesn't stop AI shooting at a unit/player (fix 2.0)
  • Fixed: Groups were missing units after group changes on JIP clients.
  • Fixed: LOD switching with -exThreads=0
  • Fixed: Despite irTarget = 0 units/objects could be locked with TAB.
  • Fixed: SetCaptive doesn't stop AI shooting at a unit/player.
  • New: allMissionObjects script command.
  • New: Script command setPlayerRespawnTime.
  • New: new AllDead command.
  • Fixed: Video playback stuttering.
  • Fixed: Locality issues of objects in MP (mainly updates from nonowner errors). Version raised to 1.57 due to MP incompatibility.

PMC changelog 1.00-1.01

  • Fixed: Shadow artifact on bridge on Proving Grounds map.
  • Changed: XM8 optics reworked.
  • Fixed: XM8 Front grip
  • New: Ammo create with PMC weapons.
  • Added: Campaign teaser including CP00 and trailer.
  • Fixed: CP10A - The Boss was not leaving the villa when in danger.
  • Fixed: CP10A - Player was not able to finish the Boss from distance.
  • Fixed: CP08B - Group callsign was "Sword", not "Spear".
  • Fixed: CP08A - Player was not able to access helicopter gear menu.
  • Fixed: CP07 - Client UAV re-enabled again.
  • Fixed: CP05 - Mission did end before conversation was finished.
  • Fixed: CP02 - Dixon fired only once, causing mission not to continue.
  • Fixed: CP00 - Mortar explosions now occur further away from player.
  • Fixed: Backpack content is now saved between CP05 and CP06.