The Great Lakes Aircraft Company XTBG-1 also known as Avenger was a prototype torpedo bomber intended for service in the US Navy as part of that service's plan to modernise its aerial striking force in the mid 1930s. The XTBG-1 was outperformed by the competing TBD Devastator however in addition to having instability problems and only a single prototype of the three-seat design was constructed during 1935.
Made by Great Lakes Aircraft Company.