the invention generally relates to the field of computer software particularly to an improved method of providing aircrew decision aids for use in determining the optimum placement of an electronic attack aircraft . the core of the invention is a software program that will dynamically provide the ea flight crew situational awareness regarding a threat emitter &# 39 ; s coverage relative to the position of the ea aircraft and to the position of protected entities . the software program generates information to provide visual cues representing a jam acceptability region contour and a jam assessment strobe for display via designated aircraft cockpit processors and devices . the jar and jas will aid the ea aircrew in assessing the effectiveness of a given jamming approach .