SAN ANTONIO, TX, USA
N1757W
BEECH 95-B55
WHILE ON THE TAKEOFF ROLL, WITH APRX 1400 FT OF RWY REMAINING, THE PLT NOTICED THAT THERE WAS NO INDICATION OF AIRSPEED. HE THEREFORE ELECTED TO ABORT THE TAKEOFF, THE RWY WAS A COMBINATION OF ASPHALT & TURF. FOLLOWING HIS DECISION TO ABORT, THE REMAINING PORTION OF THE RWY WAS TURF, STILL DAMP FROM THE MORNING DEW. HE WAS UNABLE TO STOP ON THE REMAINING RWY. AFTER OVERRUNNING THE RWY, THE ACFT HIT AN IRRIGATION DITCH & NOSED OVER. A POST- ACCIDENT EXAM REVEALED INSECT LARVAE IMBEDDED IN THE PITOT TUBE, ABOUT 1/8 INCH FROM THE TUBE'S END. ACCORDING TO THE PLT, THE ACFT HAD BEEN PARKED OUTSIDE & HAD NOT BEEN FLOWN FOR APRX 70 DAYS PRIOR TO THE ACCIDENT FLT. HE FURTHER RELATED THAT HE NOTICED NOTHING ABNORMAL ABOUT THE PITOT SYS DURING HIS PREFLT INSPECTION.
Source: NTSB Aviation Accident Database
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