Originally Posted by
andrewr
I don't find the 10 mile/6 minute call very useful because a lot happens in the circuit in 6 minutes - no-one can really know where they will be when you arrive. The one thing it does is give students a few extra minutes to worry about the other aircraft that also called at 10 miles, which they can't see because there is still many miles between them. Cue several minutes of "ABC, what is your current position" calls back and forth. The old 5 mile call was probably better.
If everyone had ADSB - in/out, (and associated display) there would be less R/T required and the whole exercise would be far safer. Perhaps in 50 years time.