What is the largest military aircraft in the world? Antonov AN-124 Ruslan is currently the world's biggest military transport aircraft by take-off weight. What is the largest cargo plane in the world? The Antonov An-225 Mriya is, quite simply, the largest airplane in the world. At 275 feet in length with a 290 foot wingspan and a maximum takeoff weight of 640 tons, it dwarfs 787's. Here are further guidelines. |