An update to Take on Helicopters has been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Take On Helicopters , update 1.06

Take On Patch "Downtown" highlights:
•Take On Helicopters: Rearmed
•Disappearing cockpit bug fixed
•Stability and performance tweaks merged from Arma 2: Operation Arrowhead

Changelog:

ENGINE
------
Applying wheel brakes in non-RTD helicopters could crash the game
Ambient traffic was not always drawn in cockpit view
Head-tracking logic improved: the head position was offset in reverted direction when certain roll limits were reached (looking over shoulder)
Head-tracking head offset sensitivity curve improved
Controller axes sensitives were sometimes set to full
Registry-driven mods: value PATH_FORMAT can be used to expand %DATA% or %MAIN% key values using PATH key
Support for multiple proxy-based weapons on vehicles improved (config entry maverickweaponIndexOffset added)
PBOs are now searched and loaded also from a "Common" sub-folder of mod folders
Zero default value for min/maxMoveX/Y/Z in ViewXXX classes

ENGINE (MERGED FROM OA)
-----------------------
[95939] Fixed: Vehicle interior sometimes disappearing briefly.
[95862] Improved: Server browser now prefers "better" (connectable) servers.
[95783] Fixed: Some sounds (esp. say) queued if played out of hearing range.
[95691] Changed: buildRequired is now limited by the server version, server can never require a higher version than its own.
[95654] Improved: VoN now uses the same port as the game traffic, should make VoN more reliable (less NAT issues).
[95406] Improved: Servers can set vonCodecQuality 11..20 for improved quality (wideband). Ultrawideband 21..30 will be possible in 1.63. The new setting requires a recent client on the talking side, server and listening clients can be any version.
[95308] Improved: MP: Custom game types no longer displayed as Unknown in the server browser.
[95307] Changed: Default matchmaking filter now shows only servers with ping < 100.
[95285] Fixed: Possible crashes after closing the game in MP (Alt+F4)
[94918] New: command unit addMagazine[name, ammoCount]
[94912] Fixed: Video memory detection on W7/x64 sometimes wrong because of bug in IDirect3DDevice9::GetAvailableTextureMem.
[94886] Fixed: Possible gear item duplication (private https://dev-heaven.net/issues/36648)
[94761] TBB 4.0 update 5, (tbb40_20120613oss, http://threadingbuildingblocks.org/ver.php?fid=187)
[94699] Tweak Reinhard tonemapping pars
[94629] Fixed: Wrong magazines are removed with weapon in briefing gear.
[94206] Fixed: Disabled channels can be bypassed in briefing screen (https://dev-heaven.net/issues/33906)
[94049] New: terrainIntersectASL command
[94049] Fixed: terrainIntersect reverted to ATL
[94001] Fixed: "enableItemsDropping = 0;" now even for MP clients
[94001] New: moonIntensity command
[94001] New: sunOrMoon command
[93989] Changed: When dropping weapon unrelated magazine will not be dropped
[93958] New: Dropping items while swimming can be disabled with "enableItemsDropping = 0;" in description.ext
[93945] New: In gear added bars with ammo count
[93945] New: setGearSlotAmmoCount, setIDCAmmoCount, gearIDCAmmoCount, gearSlotAmmoCount gear commands
[93897] New: AToC & PPAA added into UI video options
[93841] Fixed: AI using NVGs as binoculars after dropping their primary weapon (https://dev-heaven.net/issues/27297)
[93821] Changed: Authentication Timeout is distinguished from bad CD key
[93812] Fixed: Restrict gamma value set by profile
[93809] Fixed: Restrict brightness value set by profile
[93722] Fixed: Effects of setDamage to buildings different on clients and server (https://dev-heaven.net/issues/23915#change-136685)
[93701] Fixed: Changing gear in briefing screen is not working reliable in MP (https://dev-heaven.net/issues/16421)
[93680] Optimized: MP: attachTo no longer sends a message when the attachment does not change.
[93672] Fixed: Unable to access AI soldier's gear in map
[93670] Fixed: Prone units stop engaging (https://dev-heaven.net/issues/32475)
[93664] Fixed: Damage of buildings synchronization in MP after JIP (https://dev-heaven.net/issues/25659, https://dev-heaven.net/issues/23915, https://dev-heaven.net/issues/18492)
[93657] Fixed: Target is no longer stored in the long-term target list when forgotten for the second time (https://dev-heaven.net/issues/27895)
[93654] Improved: Tone mapping
[93652] New: Scripting functions visiblePositionASL and nearestBuilding position
[93648] New: Scripting functions ASLToATL and ATLToASL to convert between coordinate systems.
[93624] Changed: Scripting function weaponDirection returns a primary weapon direction when empty string is used as a weapon name.
[93622] New: Scripting function eyeDirection.
[93598] New: Scripting functions eyePos object and aimPos object
[93583] Fixed: Player-created markers not synchronised with JIP clients (see https://dev-heaven.net/issues/6337)
[93575] Fixed: StringLoad command reads unicode
[93570] Fixed: Player-made map markers disappearing in MP under certain circumstances (https://dev-heaven.net/issues/32160)
[93542] New: MP Statistics screen (key I) contains the Server hostname
[93528] Fixed: Max distance for DirectChat raised from 20m to 40m
[93415] Fixed: empty weaponHolder is not deleted when used by remote player
[93398] New: System chat like player connected/disconnected switched to CCSystem=6 channel. New configuration opportunity disableChannels[]={chan1,chan2,...}; in mission description.ext file possible.
[93294] Fixed: Multiple Object not found problems such as Server: Object 6:4 not found (message 124)
[93276] New: terrainIntersect command
[93273] New: lineIntersects, lineIntersectsWith commands
[93156] Changed: increased gear MP messages priority
[93146] Fixed: LOD blending
[93120] Fixed: JIP connecting players less affect other players network bandwith
[93117] Fix: Crash: https://dev-heaven.net/issues/31784 - caused by fix: "LOD blending not working reliably (rev. 93017)
[93017] Fixed: LOD blending not working reliably
[92956] Fixed: Sound: Music often stop playing after window focus is lost and regained
[92925] Fixed: switching backpack with dead unit in MP
[92821] Fixed: Joining unit in the vehicle to a different side group did not change the perceived side of the unit.
[92781] Fixed: SelectPlayer makes direct communication unreliable (see https://dev-heaven.net/issues/30991)
[92754] Fixed: scaling icons with grenade cursor
[92706] TBB 4.0 update 4, (tbb40_20120408oss, http://threadingbuildingblocks.org/ver.php?fid=185)
[92705] Fixed: Possible crash when in out of VRAM conditions because of a race condition.
[92679] Fixed: A Javelin missile often did not lock a target when playing with a Veteran or harder difficulty (https://dev-heaven.net/issues/28865)
[92612] Fixed: SelectPlayer in MP can break the Direct Chat or cause other MP issues.
[92582] Fixed: AI detection after load
[92463] Fixed: AToC ATi 77xx
[92071] Changed: Observer RPT messages now once per 60 sec, https://dev-heaven.net/issues/29985
[92061] Fixed: AtoC on nVidia for CSAA
[92059] PPAA pars tweak & SMAA use color edge detection method
[91173] New: Registry-driven mod can contain list of required mods in its REQUIRE string value (the same syntax as for LOADAFTER). Moreover, the registry value CANDISABLE="0" can be used to make the Disable button disabled.
[91055] Fixed: Respawn with backpack
[90934] New: Folder with mod.cpp containing statement hide=true; is not not listed in Expansions
[90909] Fixed: crash of Linux server when player with custom face connects
[90901] New: setUnitRecoilCoefficient command

DATA
----
Take On Helicopters: Rearmed
Medium: pedal controller ranges tweaked
Heavy: waypoint indicator fixed
Faulty pilot memory points for various characters fixed
Free Flight: non-RTD helicopters filtered
Free Flight: "Fly!" starts higher and with default collective read from config