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NTSB Report
June 7, 1983 · Beech 95-B55 · N1757W
San Antonio, TX
Overview
Report Status
Preliminary report
Event Type
Accident
Date
June 7, 1983
Injury Outcomes
No injuries (2 uninjured)
Location
San Antonio, TX
Aircraft
Beech 95-B55
Tail Number
N1757W
Injuries
None
Aircraft Damage
Substantial
NTSB Number
FTW83LA269
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.
Full Narrative
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.
Flight
Event TypeAccident
Event Time11:45 CDT
Nearest AirportRio Medina (0nm N)
Runway33
Runway Length2900 ft
Runway Width100 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBeech 95-B55
Tail NumberN1757W
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines2
Engine TypeReciprocating
Engine DetailsContinental · IO-470-L · Reciprocating · 260
Seats6
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 54 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind300° @ 12 kt
Visibility15 sm
CeilingNone
Temperature / Dew Point70 F / 0 C
Altimeter0
Weather SourcePILO