Have been using the fix supplied earlier, recently updated once again with steam CMD, this seems fixed.

Ran through SteamCMD again, downloaded additional files (which I assume to be the hotfix. Now I am getting an error regarding bad animation file format in file 'a3\cargoposes_f_heli\anim\passenger_bench_1aim.rtm'

Edit: Uploading the local carogposes_f_heli file fixed this.

http://feedback.arma3.com/view.php?id=22907#c88528 this is the current fix.

Still experiencing this within the same context mentioned in Nou's comment above.