Meet The King Of The Skies:The Ultimate Jumbo Jet Boeing 747 (5/8) List item Submitted to "Meet The King Of The Skies:The Ultimate Jumbo Jet Boeing 747" Approved by Kristina March 7, 2017, 2:52 pm 55 Views Share Tweet Pin Source The original 747 design had the upper deck running the entire length of the fuselage, but because the plane couldn’t safely be evacuated in the FAA mandated 90 seconds, the idea was thrown out. MoreReport Item navigation Previous submission Next submission View full list Share Tweet Pin Written by Kristina Leave a Reply Cancel replyYou must be logged in to post a comment.