Hi,
by the way the Model-700 had T-tail,and the Model-670 was developed
Citation III as intercontinental aircraft (Citation IV) with 5.5-ft longer
wingspan and low-set wing,no fuselage fuel tank,24-inch longer cabin,
24,000 1b. TOGW and 4,000 1b.s.t. TFE731-4 turbofan.