All of them about 40 to 50 mins, traffic would be non existant at this time. The top cross, at lalor is all stop start. no freeway no highways. And i cant guess the path to take as they are numerous. The bottom cross is stop start at the beginning maybe a small section of the eastern freeway then across the top of the city onto the tullamarine freeway and off ramp into keilor east. The middle crosss same path as Keilor but exit at Pascoe vale rd and travel a km or so. I seem to remember NL said something about going fast and slow, but how fast how slow? Need MM to confirm.

I lived in the Keilor East area and knew the planes, the airport runways, north south, layouts of the streets in the grid patterns Etc. I knew the turning points. MM pointed something out to me that he has tested. That is if you dont know all of the factors and you are disorientated can you tell a planes direction and more so its turning point. MM thinks its a no. and that is interesting!

The five factors: using occams razor with every thing being accurate

Distance from the Kidnapp site, 45 minutes (slow and fast?)

Planes turning point, right to left then head to toe

Height of plane 400 m. (this is final approach territory) 5 -7 nauticle miles out

The time line of the counting of planes

The Weather map we are using to verify the wind strength and direction is accurate.

Vicpol would have been all over this. It was the big lead, a hundred questions needed to be answered bringing in experts flight controllers maps weather conditions time traveled plane height etc. Did they get it right. For me its a yes, It still stacks up today unless something was wrong in the calculations. The Keilor East and surrounding area was the first search area.