http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Group assembly parts list : Power plant. Fuel and oil systems. Power plant controls. Landing gear. Hydraulic system. Electrical system. Heating and ventilation. Instruments.Wing -- Empennage. Flight controls. Fuselage. Interior furnishings
Revision 1 15 october 1974. Revised: 15 july 1983