What would a "bail out bag" consist of in the bucket of a bucket truck which would allow someone like this poor guy to quickly escape the burning bucket?
Something like a rope that you can hook to the side of the bucket, or some rated anchor point, with some kind of descender to hook to your harness? In this situation it'd probably be ideal to have a rope made from amid fibers, like Technora or Twaron, etc., so the rope wouldn't melt and break off.
Maybe I am misunderstanding what you meant by "bail out bag." Are bucket truck operators usually trained out to make emergency escapes to the ground? Seems like that would be something worth teaching. Do most buckets in a bucket truck have room for emergency escape equipment?
Just asking. I know nothing about bucket trucks.