I was Live serious about my tweed suit. In fact, if anybody looks at the website, it's a hunting coat with biswing arms for mobility.
You can design all manner of safety features. The problem is the airplane,ship,bus is rendered inoperable. Sikorsky built giant aircraft (for their time) even before WW1. One airliner even had a 'promenade deck' where passengers could exit the aircraft and stand outside on a stanchion enclosed wingsection for the view.
Shoes come off to board liferafts. Why? They poke holes in rubber, A poignant reminder the woman fleeing wartorn Yugoslavia in her prized high heels that killed everyone.You want to think SOCK traction; highly ribbed and thick wool socks.
Ships may have JACOBS ladders, a rollup metal affair much like the fire ladders some multi story homeowners install.The danger is people who are climbing such a ladder are exposed to potential crushing if the ship slamms in moving water against another vessel or the plane.Tugs have HIGH sides because they PUHh big ships. Ferryboats have LOW sides because they load and offload people.