19980610013189A

Ovserved no airspeed on takeoff. Aborted. Went over 20 ft embankment befores stopping. No skid marks. (.4)the pilot reported that during the takeoff roll, he glanced at the airspeed, and saw that it was still indicating zero although the airplane was accelerating. He said he closed the throttle, and applied brakes. The airplane departed the end of the 1,550 feet long turf/gravel runway, and went down an embankment. Post-accident examination of the airplane revealed that the pilot tube, which was located under the left wing was missing. A search of the area including the taxi route of the airplane for departure, and the accident site failed to locate the pilot tube. A witness who observed the takeoff reported that at mid-field, the airplane appeared slower than normal, and he did not hear a power reduction until the airplane has used 3/4 of the available runway. (-23) N6977P, pilot-in-command, george a. berglund, was in the process of taking off on runway 22, Taunton airport, Taunton ma, with two passengers when he observed there was no airspeed. He aborted the takeoff and went over a 20 foot embankment damaging the right wing and the left wing. There was no indication of heavy braking.