I typed the dimensions of the carrier allowed in the cabin of airlines
incorrectly!  It should be 21 x 13 x 9 (w x d x h), NOT 21 x 31 x 9.  I'm
very sorry about that!
 
I checked all of this out because I'm planning a move this summer (I
finally decided to drive us instead).
[Posted in FML issue 2619]