I just have to comment in defense of the B-212.
Yesterday I did 8:34 hrs in my trusty old 212 and although tired after the days flying I was in no way feeling uncomfortable or sore.
I really like the seats in my company's 212 and I don't think they have any special seats installed.
I have also in the past done long hours in the B-222, that is 4-5 hours sitting in the aircraft with hot-refueling and I also liked the seats in it.
However I agree that the B-206 seats are very bad, I'm going to look into having them re-done in mine.
The S-300 is also very bad. I hate the AS350 bucket seats too.. after 6 hrs sling work I dread thinking of the next day's rerun
