Singapore will give first-class passengers no ordinary bland flight cabin, but a plush wood-and-leather affair that it has designed after studying how the world's five-star hotels do it.

ECONOMIST: Asian airlines

Mr Buck, who is 45, has been accused of running amok in the first-class cabin during a British Airways flight across the pond last year.

ECONOMIST: From blue suede shoes to goody two-shoes

Mr. Nulty has a collection of more than 400 airplane models plus old ads and posters, TWA first-class menus from 1960s and paper dresses worn by TWA flight attendants.

WSJ: Airline Collectibles Take Flight

Some Daimler executives routinely travelled first class to get to meetings, or stayed at top-flight hotels over weekends.

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And in-flight showers aren't the only perks offered to today's first-class travelers.

CNN: Amazing first-class air cabins