Richard J. wrote on 16 April 2010 17:55:28 ...
wrote on 16 April 2010 15:34:33 ...
"Basil wrote in message
Changing the subject slightly, http://en.wikipedia.org/wiki/Runway
says "Runway designations change over time because the magnetic poles
slowly drift on the Earth's surface and the magnetic bearing will
change. When runway designations do change, especially at major
airports, it is often changed overnight as taxiway signs need to be
changed and the huge numbers at each end of the runway need to be
repainted to the new runway designators. In July 2009 for example,
London Stansted Airport in the United Kingdom changed its runway
designations from 05/23 to 04/22 overnight."
Yes, that happened at Heathrow many years ago. I think what is now 09
was 08 back then (or was it 10?).
Yes 09 and 27 were 08 and 28. The runways are currently 092º and 272º
magnetic.
CORRECTION ('cos what I wrote above is rubbish: 08 and 28 are 200
degrees difference and it must be 180!)
The current 09 and 27 were originally 10 and 28.
--
Richard J.
(to email me, swap 'uk' and 'yon' in address)