Went back to the astonishing Out Stack this afternoon. Visibility was much worse. A mere 20m or so. But at least we’ve worked out when slack is: about 30 minutes before we arrive on site. Given the poor conditions, best…

Why are Rory and John looking very pleased with themselves? Because they got us out to Out Stack beyond Muckle Flugga on the first day of the Clidive 2009 expedition to the Shetlands. The visibility was pretty average (for the…