i did something like that in ship, i flew ino the green cargos, i was jumping around and shooting when one of my team ates ran at me and jumped then i get pushed in, but i lost like 10 hp every second and i did it in alaska too, but no push, just a jump and i lose hp every sec, in alaska, its the spot where the old glich where, where u go into the middle of map, the little gate, i jumped at it and flew inside and died with 100 hp in a few seconds, no idea how much damge was given every second though