"Thomas Borchert" wrote in message
...
Mxsmanic,

Seems like the airports around me have
had the same runway numbers for quite a while,


The direction has to change by up to 10 degrees for a change in
numbering.

--
Thomas Borchert (EDDH)

No, 5 if perfectly aligned to start, 5 in one direction and 5 in the
other if not aligned.