In article ,
Larry Dighera wrote:

Pilots, prepare to lose some sovereignty over your flights:

http://www.exn.ca/dailyplanet/view.asp?date=2/13/2006
As airplane travel is becoming more frequent, air traffic is said to
double in the next coming years. A new system called 4DT (4 Dimension
Trajectory) will soon replace current ones.

relax. The concept of required time of arrival has been talked about
for years. It's going to be a loooooonnnnnngggggggg time before
it's actually implemented.

--
Bob Noel
Looking for a sig the
lawyers will hate