You never know when data might come in handy

It's also fun (in a very niche nerdy way) when I'm on the same aircraft twice within a week or so to "see what fun the plane has been up to without me" and follow it backwards to my first flight.

One I didn't mention that probably holds the record for "single aircraft I've spent the most time (probably about two weeks now) on, on the greatest number of both countries (5) and continents (3) but have never actually been airborne with is N330AU, a MD-10, which combined with the team that looks after it, holds a very special place in my heart