* [EMAIL PROTECTED] (David Megginson) [2003.09.02 13:55]:
> [EMAIL PROTECTED] writes:
>  > Why don't we use SI Units in flightgear?
>  > 
>  > Why unknown feets when meter is the international standard in this
>  > world?
> 
> Ah, this is a long-standing thread.  Personally, I'd love to use SI
> internally, but for the user interface, we still need to use Imperial,
> because that's what most of the aviation world uses.  As far as I
> know, even countries that use SI for some things (such as runway
> length or altimeter setting) still use a lot of Imperial for flying,
> including altitude and airspeed.
> 
> One exception is temperature -- nearly everyone is using degC now for
> aviation weather.
> 
> By the way, I live in Canada, which is also a Metric country, so I
> have to convert constantly between the liters I buy fuel in and the
> U.S. gallons in my aircraft's published performance data.  Even though
> Canada switched to SI in the 1970's, however, we still give runway
> length and altitude in feet, visibility in statute miles, and distance
> in nautical miles.  We give the altimeter setting primarily in inHg,
> but the METAR includes the hPa setting in comments.

David,
Should --units-meters affect the --ceiling option?  I'm not sure what
all the --units-* options are supposed to affect.
-- 
Cameron Moore
[ Boycott shampoo! Demand the REAL poo! ]

_______________________________________________
Flightgear-devel mailing list
[EMAIL PROTECTED]
http://mail.flightgear.org/mailman/listinfo/flightgear-devel

Reply via email to