Air-to-ground communication of course goes back to the beginning of commercial aviation itself, since obviously the entire system is dependent on constant coordination between cockpits and airport controllers. And...
One of the greatest revolutions in the world of air navigation came with the shift from analog to electronic technology, which is much more precise, and the mechanism that...
Pilots can usually detect a cloud formation with potential problems visually, but weather radar is especially useful in areas of heavy cloud cover or at night.