> bank means you have a wing tilted up and a wing tilted down, increasing the vertical height of the plane at a time you’re trying to increase vertical separati

> bank means you have a wing tilted up and a wing tilted down, increasing the vertical height of the plane at a time you’re trying to increase vertical separation Yes, but it's also increasing horizontal separation (from a predicted value of zero), which might still be a reasonable tradeoff to consider.