Stan, I lifted the following << China, Mongolia, Russia and many CIS countries use flight levels specified in metres. Aircraft entering these areas normally make a slight climb or descent to adjust for this. >> from http://en.wikipedia.org/wiki/Flight_level
I have no way of verifying it. Regards Martin ----- Original Message ----- From: "STANLEY DOORE" <[EMAIL PROTECTED]> To: "U.S. Metric Association" <[email protected]> Sent: Monday, March 26, 2007 9:03 AM Subject: [USMA:38321] Re: Plane and train schedules was Brand New Phone > I was under the impression that the world flies at foot-based flight levels. > > To change to all-metric entails a massive cost of changing altimeter > measurement and display equipment and training pilots. All of these are > based on safety. New commercial planes have soft displays so it would be > less costly to change displays on them, however, the need for education and > training still exists for pilots, many of whom are private small plane > people. > > It's much like changing gasoline pumps for cars. A large percentage of them > were mechanical-based back during the 1970s when there was a big push to go > metric. However, virtually all pumps today have soft displays and the pumps > fuel-measuring devices are easily switched between metric and English units. > Stan Doore > > > ----- Original Message ----- > From: "Pierre Abbat" <[EMAIL PROTECTED]> > To: "U.S. Metric Association" <[email protected]> > Sent: Thursday, March 22, 2007 10:17 AM > Subject: [USMA:38313] Re: Plane and train schedules was Brand New Phone > > > > On Thursday 22 March 2007 05:21, Stephen Gallagher wrote: > >> > Has anyone thought what it would take to get all countries to > >> > switch to metric > >> > flight levels? > >> > >> Are you referring to altitude? > > > > Yes. Each country or region has a system in which planes flying in certain > > directions keep certain altitudes: those flying at 10.0 km fly northeast, > > those at 10.3 km fly southeast, those at 10.6 km fly southwest, and so on. > > The assignment of directions to flight levels varies by country. See > > "Flight > > level" on Wikipedia. > > > > phma > > > > >
