Interesting article in the UK Guardian:
"What the air traffic controllers knew about how to stop 'flying blind'
No matter where it is, the Malaysia Airlines jet suffered from outdated technology. Eyes in the tower saw this coming"
"It has come as a shock to the general public to learn that commercial flights aren’t monitored constantly by the high-tech GPS tracking systems we’ve come to expect in our cars and smartphones."
MH370: what the air traffic controllers knew about how to stop 'flying blind' | Barbara S Peterson | Comment is free | theguardian.com
Only interesting in its lack of understanding of the distinction between surveillance and navigation.