Well .. did he really take it with him or not is something no one can ever tell.. but he died a happy man thinking he was in fact taking it with him.. good for him!
I have been using icar registration services for the past few years and find it reasonable and convenient to do so instead of doing it myself.. the number I have is 0556600799
Its the temperature of the air/atmosphere that matters.. if directly under the sun, any surface will heat up way faster than the actual temperature in general.