Nope, it's a 270° coverage. AND it won't target planes till they are inside the map. This means things like CAS can hit it without retaliation on certain scenarios.
The anti tank strafe 1 shot artillery pieces, so if you are not afraid of AA, you can use it to save 50muni.
the AT 1 shots most things, Sometimes depending on the RNG, CAS will not 1 shot a B4 leaving it at less than 10% health. (Pretty rare)