You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Apparently there's this relatively new thing in aviation which in road vehicle terms is equivalent to "hey maybe we can reduce the risk of head-on collisions if we don't all drive straight into each other along the central reservation" https://en.wikipedia.org/wiki/Strategic_lateral_offset_procedure …
Like, I guess there are "oceanic tracks" crossing the North Atlantic? But they're bidirectional? There isn't a separate westbound and eastbound track for each route??
there's flight level separation: https://en.wikipedia.org/wiki/Flight_level#Semicircular/hemispheric_rule … / https://en.wikipedia.org/wiki/Reduced_vertical_separation_minima … - eastbound (0-179 deg) goes on odd-numbers-of-thousands of feet, west (180-359 deg) on even.
SLOP is more about allowing aircraft to pass each other in the same direction AIUI, because everyone wants to be flying their efficient cruise speed and that can mean you'd catch a slower cruising a/c up and have to take evasive action.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.
