A device of various shapes to be permanently attached to the structure of an aircraft. it is designed to permanently mount and/or support an integral member, or group of members of the airframe in a proper position and bear the stress imposed by the components being supported. it may have mounting provisions, such as slots, holes, and/or attachments to facilitate installation. excludes items which are primarily designed for dampening shock and/or vibration. excludes bracket, angle; bracket, double angle; bracket, shelf; bracket, mounting; and bracket (1), structural component, aircraft.