Its Just a Minigame, Warning You need this mod if you want the Guns also the little bird for war!....Also Im Sending you a Non read only file so you can Edit mission to make it harder Just select obj 3 just that checkpoint near the your heli....Go to The other choppers and you can place new! also Make a Actor with (Your own Settings Upto Animations)Now at Anims select sit in nearest vehicle choose driver seat and Attack player, now when setting the actor go to gang - Enemy 1 - Attack direct, also you can alter its Accuracy to make thier guns accurate shoot making this mission harder...and after this place the actor near to your desired heli(also place near heli where no other actor is tring to get in it otherwise theyl fight for heli and maybe game will crash)also after then tired of same settings use ctrl+p near a Abandoned heli will copy your previos placed Actor! And You can too Change The Other Chracters Accuracy!,and There is one chracter as obj(for Making all Other Actors as OBJ(You can edit only accuracy of it)Thank YoU!Also Heres the link for mod-

https://www.youtube.com/watch?v=ybub0WEw37M
Youl in a youtube video scroll down youl see a link in description, click it ....and youl find some files...Copy the sparrow txd and dff to desktop,use an img editor (alci image editor or other,u can watch a tutorial how to use them at net)To Copy the files into gta3.img gta3 is located at (your Gta Sa Installation)Modelsgta3.img And rebuild the archive.Then copy the CLEO files into Cleo folder...(Must have CLEO Library for it but i know if u have dyom ul having Cleo xD)Leave the Readme files also the thumbs they are not nessecasy but u done it they can improve the heli controls also mod on copy of gta sa, il not be responsible if your gta sa stops working have fun!