13. Running well ahead of schedule due to an extreme tail wind, a pilot employed by an air parcel service decides to make an unscheduled stop at an airport along his route to pay a surprise visit to an old college friend who works for an FBO there. Taxiing too fast for conditions on the icy ramp, the pilot loses control of the aircraft, colliding with a parked aircraft owned by the FBO. Is the pilot's employer liable to the FBO for the damage? Explain