Gets a couple of mentions from F-27 days in Alexander Frater's book "Beyond the Blue Horizon", starting with tall stories he was told about it, through to him reporting a discussion with PIA pilots who said it wasn't as hairy as it was often cracked up to be. Yes, you fly up a valley prone to low cloud, but there are sensible minima, which can lead to suspensions for days, and you can make a 180 if you need to pretty much anywhere along the way.