
...& Ned says......."Businesses class at least

"

a business class canvas slung webbing seat with a pair of very functional ear muffs......

...& maybe a warm woollen blanket & an oxygen mask...as @ 28,000 ft....the air is pretty thin & cold

......
Those guys that piloted & crewed the aircraft were very brave........& I am not talking about the consequences of flying during war........Derek
PS courtesy of WIKI........"Climb to 28,000 ft (8,500 m)"