Originally Posted by
kintyred
IIRC mag variation was reducing then and a number of runways in the SE of England were redesignated in the 80s (including Farnborough if memory serves).
Farnborough didn't change any runway designators in the '80s (but Heathrow did)
Farnborough runway 12/30 changed to runway 11/29 in about 1976
I got permission to change 07/25 to 06/24 in early/mid 2001. The new 'epoch' of variations (epochs last 4 years) didn't start until the end of the year but the runway was being re-surfaced and rather than paint it 07/25 and have to change again in Mar 2002 I got permission to re-designate it about 9 months early.