Adrian von Bidder wrote: > On Sunday 29 January 2006 04:17, John Pettitt wrote: > >> Keep in mind that >> civilian commercial air traffic is now using GPS so switching it off >> could lead to unfortunate consequences. >> > > Do you have more info on this? I heard (but that may be outdated) that > precisely because the US wouldn't commit to uphold civilian GPS globally, > commercial airtraffic was forbidden to rely on GPS for navigation. > > cheers > - vbi > > There is a difference between "using" and "rely on" - no navaid is 100% reliable so pilots are expected to have a plan B (in most jest that either multiple DME's or an inertial system) - however there are lots of published GPS approaches now which are part of every day flight plans.
John > ------------------------------------------------------------------------ > > _______________________________________________ > timekeepers mailing list > [email protected] > https://fortytwo.ch/mailman/cgi-bin/listinfo/timekeepers > _______________________________________________ timekeepers mailing list [email protected] https://fortytwo.ch/mailman/cgi-bin/listinfo/timekeepers
