Tracer rounds and smoke are invisible when viewed through a gunsight on a drone bomber. Dirt spray when you hit the ground is also invisible through the gunsight.
Steps to replicate:
Start AH offline.
Pick the B-17 and enable formation.
Take off and switch to a gun on another plane.
Shoot.
ATI Radeon 9800 Pro 128
Catalyst 4.5
Directx 9.0b
