Sorry, not working for me, it crashes to the desktop when starting beginning the mission.
Maybe it´s my fault. I´ve done the following:
I´ve copied the comm.lua, bin, cockpit, FM, and Options folders from the original KA-50 folder into the Apache_Longbow folder, so that the Apache_Longbow folder has a few new subfolders and files more..
Then i opened the requirements-folder and copied/overwrite the containing subfolders into the Apache_Longbow/Cockpit/Scripts folder.
Last thing I copied the Apache_longbow folder into my Users/SavedGames/DCS.openbeta/mods/aircraft folder.
As I said, the new Apache is selectable, and can be placed somewhere on the map, but the game crashed, when starting the mission.