Just found the following NOTAM, of interest to all of us:
B2031/08 V SFC - FL030 Fri 14/11/2008 16:52:00 - PERM NBO NBO E AFXX
FIR: Plain language
VISUAL FLIGHT RULES UK AIP ENR 1-2-1(10 APR 08) PARAGRAPH 1.2 NOTES, AMEND AS FOLLOWS: (1) OR IF, ANY AIRCRAFT WHICH IS NOT A HELICOPTER, AT 3000FT AMSL OR BELOW AND FLYING AT 140 KIAS OR LESS: CLEAR OF CLOUD AND WITH THE SURFACE IN SIGHT IN A FLIGHT VISIBILITY OF AT LEAST 5KM (2)OR IF A HELICOPTER AND FLYING AT 3000FT AMSL OR BELOW CLEAR OF CLOUD AND WITH THE SURFACE IN SIGHT IN A FLIGHT VISIBILITY OF 1500M.(3)OR IF AT 3000FT AMSL OR BELOW: EITHER: ANY AIRCRAFT: CLEAR OF CLOUD AND WITH THE SURFACE IN SIGHT IN A FLIGHT VISIBILITY OF 5KM. OR: ANY AIRCRAFT WHICH IS NOT A HELICOPTER FLYING AT 140 KIAS OR LESS: CLEAR OF CLOUD AND WITH THE SURFACE IN SIGHT IN A FLIGHT VISIBILITY OF 1500M. OR: HELICOPTERS FLYING AT A SPEED WHICH, HAVING REGARD TO VISIBILITY, IS REASONABLE: CLEAR OF CLOUD, WITH THE SURFACE IN SIGHT IN A FLIGHT VISIBILITY OF 1500M.