The heli_attack.zip file you have requested: Maps Levels Missions / Miscellaneous / TGW Heli Attack - 26.7mb is not available. Perhaps try browsing all files for the game Battlefield 2142 and upload any files you want to share or are missing. This is the only information we could locate:
TGW Heli Attack for BF 2142. TGW Heli Attack for BF 2142.