This papercraft is Base Jabber, a single MS Carrier/Flight System that first appears in the anime series Mobile Suit Zeta Gundam, the paper model is created by Kite. The size of finished model is about 183 (H) x 388 (W) x 446 (D) mm.
Similar to the Principality of Zeon's Dodai YS bomber, the Base Jabber is designed to have a Mobile Suit stand on top of it as it flies. Using this sub-flight system, mobile suits that have extremely sloppy movement under gravity can improve their mobility while gaining limited flight capability. Hence, they are able to accomplish operations swiftly and solidly.
In U.C. 0093, the Earth Federation Forces developed a new Base Jabber, designated as the "Type 89". This unit's basic frame is similar to that of its predecessor; however, it is a space-use design mainly used for MS transportation. Its design allows two mobile suits to ride on it when its bottom propellant tanks are removed.
The Base Jabber was used primarily by the Titans in the era of the Gryps Conflict. At the same time, the A.E.U.G. used the Dodai Kai.
During the Second Neo Zeon War of U.C. 0093, a Type 89 Base Jabber was used to deliver the RX-93 ν Gundam from Von Braun to the battlefield. It was also used extensively by Londo Bell to shuttle RGM-89 Jegan units to battle. Both regular and Type 89 Base Jabbers saw combat during the Third Neo Zeon War of U.C. 0096. [Source: wikia]