He's on his way. Checking in a Gatwick Airport (thanks for the photo Andy). I doubt he'll get that box in the overhead luggage holder !
Updated to say ... he's all checked in and he didn't have to pay any excess baggage.
To keep friends and family posted on Dad's travels. 2013 was Vietnam, 2012 was Thailand and 2011 was Cuba! 2010 was cycling the coast of Ireland. 2009 cycled the coast of Britain - 16 weeks in the saddle, 4,500 miles on the legs.