Why not give the maximum safe pressure that would easily clear Mt. Everest in any weather, since you are in fact measuring pressure?
As many people have pointed out, some aspects of aviation are not metric and should be fixed. Why not fix it right by sticking with SI? On Tuesday 16 December 2003 09:14, [EMAIL PROTECTED] wrote: > The aeronautical chart for that area would show a minimum safe altitude > that would easily clear Mt. Everest no matter what the actual atmospheric > pressure was. > > cm > > > >Of Michael Payne > > >Mountains are not shown with heights in hPa. > > > > Pay attention at the back :-) > > > > The unit 'feet' used to describe cruising aircraft altitude is not the > > same as height above mountains. An aircraft described as flying at 30000 > > 'feet' could crash into Everest at 29000 feet.
