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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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July 29, 1990 · Glasflugel H 301 Libelle H 301 LIBE · N4166A

Thompson Falls, MT

Overview

Report Status
Probable Cause
Event Type
Accident
Date
July 29, 1990
Injury Outcomes
No injuries (1 uninjured)
Location
Thompson Falls, MT
Aircraft
Glasflugel H 301 Libelle H 301 LIBE
Tail Number
N4166A
Operator
Dale Walker
Injuries
None
Aircraft Damage
Substantial
NTSB Number
SEA90LA150

WHILE THE PILOT WAS ON DOWNWIND IN THE TRAFFIC PATTERN FOR LANDING, A GLIDER AHEAD IN THE PATTERN BLEW A TIRE ON TOUCHDOWN AND WAS SITTING DISABLED ON THE RUNWAY. THE PILOT ATTEMPTED TO LAND ON THE UNOBSTRUCTED PORTION OF RWY, BUT TOUCHED DOWN ABOUT 75 FEET SHORT OF THE RUNWAY.

NTSB Probable Cause

A DISABLED AIRCRAFT BLOCKING THE ACTIVE RUNWAY.

Full Narrative

WHILE THE PILOT WAS ON DOWNWIND IN THE TRAFFIC PATTERN FOR LANDING, A GLIDER AHEAD IN THE PATTERN BLEW A TIRE ON TOUCHDOWN AND WAS SITTING DISABLED ON THE RUNWAY. THE PILOT ATTEMPTED TO LAND ON THE UNOBSTRUCTED PORTION OF RWY, BUT TOUCHED DOWN ABOUT 75 FEET SHORT OF THE RUNWAY.

Flight

Event TypeAccident
Event Time13:00 MDT
Nearest AirportThompson Falls (0nm N)
Runway7
Runway Length2200 ft
Runway Width50 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftGlasflugel H 301 Libelle H 301 LIBE
Tail NumberN4166A
Aircraft CategoryGli
DamageSubstantial
OperatorDale Walker
Operating RulePart 91
Engine TypeUnknown
Engine DetailsUnknown
Seats1

People & Injuries

Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 46 · Third Class

Conditions

ConditionsVMC
LightDaylight
Wind20° @ 8 kt
Visibility40 sm
CeilingNone
Temperature / Dew Point61 F / 52
Altimeter30.00 inHg
Observation Time18:50

Appendix: Source Data