Make a switch trigger dependent on opfor detecting blufor in a certain area.
Place AT mine on road.
Drive away very fast into a far away position (you being able to see the explosion is completely irrelevant.)
Wait for Ifrit to drive over mine.
Ergo this.
If you wish to make your own mission/test to investigate this trigger please do; it might help me make my own mission and try and get around this (presumably a) bug.
Apparently I cannot attach .pbo mission files in error reports. So instead I have uploaded a .rar file containing it.