I could perhaps look it up but don't have the time or the inclination. I am just a pilot. Freezing conditions are freezing conditions and, having been well scared one dark, stormy, winter night, I will stay well clear of the combination whenever possible. Especially if there is no quick and easy exit.
If you have a beef about the policies of UK SAR, MCA and Bristow then take it up with them or, better still, your local MP - not the crews who are trying to do their best.