Currently in the game Heli's take no damage from direct LAT and HAT fire from what I have experienced. These Heli's have bare bone's for armor. A direct hit to the windshield should kill the pilots. The LATS and HATS also seem to lack firepower in regards to logis. I have experienced direct shots to the engine/windshield with the logi being able to speed away with little to no causalities. IF there is a roll for damage or effectiveness for the rockets I recommend increasing the odds.