You need a good way to get the boxes on and off the plane, such as the 747 freighter's nose door [1]. The A380 can't be fitted with one of these due to its cock

You need a good way to get the boxes on and off the plane, such as the 747 freighter's nose door [1]. The A380 can't be fitted with one of these due to its cockpit placement. The 2nd floor of the A380 also can't be removed because it's required structurally, and that really limits the size of the cargo you could potentially put in it. 1: http://www.aerospace-technology.com/wp-content/uploads/sites/15/2017/10/Boeing747Freighter_4.jpg http://www.aerospace-technology.com/wp-content/uploads/sites...