A big factor is the number of elderly people involved, in the rescue.
Some of these people have difficulty in getting in and out of an automobile, and will need a lot of assistance getting into a helicopter.
I am sure some won't do it. - Tom
“A big factor is the number of elderly people involved”
We were discussing that earlier today, having been on a cruise two weeks ago. There were soooo many people in wheelchairs and we said that when/if that time comes for us, cruises no longer would be an option for vacations.