Boeing 747-400 There are a few planes in existence that I want to fly solely because the planes themselves are cool.  For example, I redeemed airline miles to fly first class on Etihad’s A380 this upcoming winter.  That aircraft features a shower and individual couches for first class passengers, plus a bar.  Earlier this month I flew Qatar’s A350 which is one of the newest/most advanced planes in the sky. View from the upper deck of a 747-400 at 36,000 feet Another plane I really wanted to fly was the 747, specifically on the upper deck of the 747.  The…