"Nearest suitable airport - "IN POINT OF TIME" is the requirement in my part of the world - if at normal crz trype altitudes seems to me time to descent and set up for an IAP into an a/port below you = same as normal profile descent and landing @ an a/port 100 nm away - in time - what's the problem, technically speaking? No data given on weather etc @ the respective airports - sounds like "bashing the opposition" to me.