What I need to know the answer to is "which way do I turn to increase separation?". Of course I can guess which way to turn, but that will as often decrease the separation as increase it. I'm not asking for 5 miles here, just an indication of which turn is going to make life better.
Then you should have asked for a RAS
"Crossing left to right", or whatever, gives me no useful information. If the traffic is in my 10 to 11 o'clock then it's bound to be crossing left to right -- otherwise it's going away from me or passing harmlessly down my port side and there's little point in calling it.
Not necessarily - could be flying parallel to you??? (slim chance I know but possible)
Any aircraft on a converging track will have no relative motion with respect to my aircraft (or more correctly, the relative motion will radial -- directly towards my aircraft -- with no tangential component). If the relative motion is towards the rear of my aircraft (e.g. 11 o'clock to 10.30 or 2.30 to 3 o'clock) then it will pass behind. If the relative motion is towards the front of my aircraft then it will pass in front.
EXACTLY MY FRIEND At least you now know which window to look out of to make your search for the conflicting easier
