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Aviation safety reports, made easier to study

NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

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NTSB Report

July 29, 1989 · Bonds & Bungey HP-14 · GQLB

Warren/Sugarbus, VT

Overview

Report Status
Probable Cause
Event Type
Accident
Date
July 29, 1989
Injury Outcomes
2 injuries (2 serious injuries)
Location
Warren/Sugarbus, VT
Aircraft
Bonds & Bungey HP-14
Tail Number
GQLB
Injuries
Serious
Aircraft Damage
Destroyed
NTSB Number
NYC89DNC01

THE PILOT AND HIS PASSENGER HAD BEEN RIDGE FLYING IN THE GLIDER FOR SEVERAL HOURS BEFORE THE ACCIDENT. ACCORDING TO WITNESSES, THE GLIDER ENTERED A SPIN & TURNED SEVERAL TIMES BEFORE CRASHING NEAR THE TOP OF A WOODED MOUNTAIN. THE WITNESSES, WHO WERE IN OTHER GLIDERS, SAID THE WIND WAS SHIFTING FROM WEST TO NORTHWEST AT 10 GUSTING 20 KTS WITH THERMALS & TURBULENCE IN THE AREA.

NTSB Probable Cause

FAILURE OF THE PILOT TO MAINTAIN ADEQUATE AIRSPEED WHILE MANEUVERING IN SHIFTING/TURBULENT AIR, AND HIS INADEQUATE REMEDIAL ACTION TO AVOID OR RECOVER FROM THE INADVERTENT SPIN. THE SHIFTING/TURBULENT/GUSTY WIND CONDITION WAS A RELATED FACTOR.

Full Narrative

THE PILOT AND HIS PASSENGER HAD BEEN RIDGE FLYING IN THE GLIDER FOR SEVERAL HOURS BEFORE THE ACCIDENT. ACCORDING TO WITNESSES, THE GLIDER ENTERED A SPIN & TURNED SEVERAL TIMES BEFORE CRASHING NEAR THE TOP OF A WOODED MOUNTAIN. THE WITNESSES, WHO WERE IN OTHER GLIDERS, SAID THE WIND WAS SHIFTING FROM WEST TO NORTHWEST AT 10 GUSTING 20 KTS WITH THERMALS & TURBULENCE IN THE AREA.

Flight

Event TypeAccident
Event Time15:45 EDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftBonds & Bungey HP-14
Tail NumberGQLB
Aircraft CategoryGli
DamageDestroyed
Operating RulePart 91
Engines0
Engine TypeUnknown
Engine DetailsUnknown
Seats2

People & Injuries

Injury Summary2 injuries (2 serious injuries)
Fatal0
Serious2
Minor0
Uninjured0
Total2
Crew 1Age 51 · Third Class

Conditions

ConditionsVMC
LightDaylight
Wind10 kt, gusting 20 kt
Visibility30 sm
CeilingNone
Temperature / Dew Point54
Altimeter30.00 inHg
Observation Time19:50
Weather SourceWFAC

Appendix: Source Data