X-Plane 9.70+ Vultee P-54A. The Vultee XP-54 Swoose Goose was a prototype fighter built by the Vultee Aircraft Company for the United States Army Air Forces (USAAF). The XP54 was designed with a pusher engine in the aft part of the fuselage. The tail was mounted rearward between two mid-wing booms, with the 12-ft propeller between them. Initial trials showed performance substantially below guarantees. The large nose section gave rise to its whimsical nickname, the Swoose Goose, inspired by a song about Alexander who was half swan and half goose: "Alexander was a swoose." By Vasco Ribeiro.