DHC6 Type rating
In the UK I believe the only DHC6 TRTO is Richard Ashby who is CP of Isles of Scilly Skybus based at Lands end. The Twotters operate Bristol Newquay Lands End and I believe they are about to or have started Bournemouth + Southampton Routes ( Possibly Channel Islands as well) Cost. I don't think you will get a cheap rating?? I would think Canada would be the place to look.
good luck
Ciao for now
STOL