Great Idea Doorstopper. Can't believe I didn't think of that. Its just come to me.... a quick HHO Basic Course to establish whether the potential employees have the aptitude for the job, some focussed screening of candidates and a recommendation for suitable role (ie Winchman or Hoist Op). All flying done on a cheap twin or even a reliable single. All sounds very sensible. It'll never catch on. Of course you may be incorrectly assuming I know what I'm talking about.