The Chase XCG-18 and YC-122 Avitruc (known internally by Chase as the MS-7) was a military transport aircraft produced in limited numbers in the United States in the late 1940s initially as a glider but definitively in powered form. The design was based on the CG-14 cargo glider but was substantially larger and featured all-metal construction. it was a high-wing cantilever monoplane of twin boom configuration.
Made by Chase Aircraft.
It is the successor of the Chase YCG-14 .