on to neni tak tragedovo nazor .) ono je to cerpano z jinych, a mnohem duveryhodnejsich zdroju, nez je traged .)))
With no other civil traffic operating at its cruising altitude of about 56,000 ft (17,000 m), dedicated oceanic airways or "tracks" were used by Concorde to cross the Atlantic. These SST, ("Super-Sonic Transport"), tracks were designated
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Due to the nature of high altitude winds, these SST tracks were fixed in terms of their co-ordinates, unlike the North Atlantic Tracks at lower altitudes whose co-ordinates alter daily according to forecast weather patterns
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