Originally Posted by
mary meagher
<snip>But trying to contact them by radio from the ground is not done; most likely they are on a different frequency, or switched off in order to concentrate on the flying.
LOOKOUT,---THEN Aviate, Navigate, Communicate.
Or simply out of range. It's one thing to hear base from 150k away when at FL100, it's quite another at 3,000' AMSL.
BTW major congrats to whoever did the 700k, and of course to everyone else who did anything.