Pilot friend of mine says they do occasionally get alerts from ATC for unidentified primary radar targets near their aircraft while in flight. Usually this turn

Pilot friend of mine says they do occasionally get alerts from ATC for unidentified primary radar targets near their aircraft while in flight. Usually this turns out to be a flock of birds, bunch of Mylar party baloons and such but in light of all these reports “We’ll be looking a bit more closely for flying tic-tacs now!” ;-)