AC-S-92 The AC-S-92 is a medium spaceplane designed by Bill Kerman in conjunction with James Kerman. Jebediah said that the aircraft resembled another aircraft he had heard of, but we dismissed that by changing the design a little bit. The plane Jeb was describing was the Dream Chaser by Sierra Nevada, but there are quite a few differences. The differences include: wider wings comparatively, the AC-S-92 has 4 engines, and it can carry reasonably large external payloads. The AC-S-92 can carr