rm writs:
> > 
> can anyone give me some advice on where to look to figure out
> how to pull information about airports' runways out of FG's data
> files? 

I personally reccomend building one of the script interfaces to 
metakit then you can explore the database interactively

The 'C" code that builds and uses the databases is all
in $FG_SRC / src / Airports

But for experimenting the script interface is hard to beat

>also, does anyone know of a reference regarding making
> corrections for true north and calculating geodetics and distances
> from lat/long ?

See the geodetic_forward and geodetic_inverse functions
in SimGear / Math / sg_geodesy.cxx

< should be all you need and more :-) >

Norman

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