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NTSB Report
July 9, 1989 · Cessna 172K · N758AN
Blanco, TX
Overview
Report Status
Probable Cause
Event Type
Accident
Date
July 9, 1989
Injury Outcomes
2 injuries (2 minor injuries)
Location
Blanco, TX
Aircraft
Cessna 172K
Tail Number
N758AN
Operator
Duggan Charles M
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
FTW89LA131
THE PRIVATE PILOT AND THE COMMERCIAL RATED INSTRUCTOR PILOT WERE PRACTICING LANDINGS AND HAD JUST COMPLETED A GO-AROUND AND ACCORDING TO THE INSTRUCTOR, THEY ENCOUNTERED A WINDSHEAR OF MINUS 15 KNOTS AND STRUCK A TELEPHONE LINE, TREES AND THEN THE TERRAIN. THEY WERE MAKING LANDINGS ON RWY 30 AND THE REPORTED PREVAILING WINDS IN THE AREA WERE FROM THE SOUTH. ACCORDING TO THE SEQUENCES FROM THE WEATHER REPORTING STATIONS IN THE AREA, THERE WERE NO WEATHER SYSTEMS THAT WOULD LIKELY CAUSE VERTICAL WINDSHEAR.
NTSB Probable Cause
INADEQUATE IN-FLIGHT PLANNING/DECISIONS BY NOT IDENTIFYING THE WIND DIRECTION ALONG WITH THE FAILURE TO MAINTAIN AIRSPEED. CONTRIBUTING TO THE ACCIDENT WAS THE TAILWIND, WIRES AND TREES.
Full Narrative
THE PRIVATE PILOT AND THE COMMERCIAL RATED INSTRUCTOR PILOT WERE PRACTICING LANDINGS AND HAD JUST COMPLETED A GO-AROUND AND ACCORDING TO THE INSTRUCTOR, THEY ENCOUNTERED A WINDSHEAR OF MINUS 15 KNOTS AND STRUCK A TELEPHONE LINE, TREES AND THEN THE TERRAIN. THEY WERE MAKING LANDINGS ON RWY 30 AND THE REPORTED PREVAILING WINDS IN THE AREA WERE FROM THE SOUTH. ACCORDING TO THE SEQUENCES FROM THE WEATHER REPORTING STATIONS IN THE AREA, THERE WERE NO WEATHER SYSTEMS THAT WOULD LIKELY CAUSE VERTICAL WINDSHEAR.
Flight
Event TypeAccident
Event Time14:25 CDT
Nearest Airport0nm N
Runway30
Runway Length2600 ft
Runway Width125 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 172K
Tail NumberN758AN
Aircraft CategoryAir
DamageSubstantial
OperatorDuggan Charles M
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · IO-360-K · Reciprocating · 195
Seats4
People & Injuries
Injury Summary2 injuries (2 minor injuries)
Fatal0
Serious0
Minor2
Uninjured0
Total2
Crew 1Age 58 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind5 kt, gusting 15 kt
Visibility20 sm
CeilingNone
Temperature / Dew Point0 C
Altimeter30.00 inHg
Weather SourcePILO