The drop reflected a steep decline in commercial aircraft demand and little growth in orders that signal future business investment.

NPR: Orders For US Durable Goods Fall 5.7 Pct. In March

The Lexington Institute's Loren Thompson says those mishaps usually result from a simple break in the line-of-sight connection between a plane and the satellite that controls it--often when one of the aircraft's own wings maneuvers into the path of the signal.

FORBES: Magazine Article

Each will receive the same TV signal but at a slightly different time because of the reflections and interactions with aircraft flying in their vicinity.

BBC: UK mulls 'radical' shake-up of air traffic control