Please not to bring up the issue of Pilot Doors on helicopters.....that shall take this discussion off into the wilds of advocacy to nail design engineers to large wooden things.
Bell never did get one right.
MBB came very close.
Sikorsky had it figured out then went to the 76 which was a huge step backwards.
Boeing-Vertol solved the puzzle by making a door that was only opened by accident or during one.
Let's see how Hill solves this issue.