If so, they might tweak down the gains on the flight control system. The first flight of the F-16 was "unintentional" for this very reason. General Dynamics test pilot Phil Oestreicher got into a PIO during a high-speed taxi test while evaluating pitch and roll sensitivity in the takeoff attitude. The pitch gain was excessive, and he became airborne, nose high, below safe flying speed. Fearing a replay of the famous "sabre dance", he lit the afterburner, blasted almost straight up, regained control, and landed. Of course, he was teased for the "sneaky" way he had nabbed the first flight from his boss, Neil Anderson, who had been scheduled to do it the following day!