the shetland coastguard carried out a mission this morning for those doubting the presence of ash here is a snippet from the bbc news report:
"The Shetland Coastguard helicopter crew decided to fly through not only ash, but low visibility caused by rain and mist on Friday morning.
The casualty was taken to Gilbert Bain Hospital in Lerwick.
Pilot John Grant told BBC Scotland there was evidence of ash deposits on the helicopter on their return. "
Whilst there a bit of the normal journo spin they flew low level VFR below 1000ft.