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NTSB Report
June 17, 1984 · Cessna A185F · N1047F
Talkeetna, AK
Overview
Report Status
Preliminary report
Event Type
Accident
Date
June 17, 1984
Injury Outcomes
No injuries (4 uninjured)
Location
Talkeetna, AK
Aircraft
Cessna A185F
Tail Number
N1047F
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ANC84FA094
THE ACFT WAS BEING USED TO TRANSPORT MOUNTAIN CLIMBERS FROM A GLACIER. DURING TAKEOFF FROM THE GLACIER, THE RIGHT LANDING GEAR STRUT FAILED AT THE AXLE POINT & THE WHEEL/SKI DANGLED FREE. WHEN HE LANDED ON A GRAVEL RWY, THE PLT HELD OFF THE RIGHT SIDE AS LONG AS POSSIBLE. WHEN THE RIGHT STRUT TOUCHED DOWN, IT DUG IN, THEN COLLAPSED. AN EXAM REVEALED A FATIGUE CRACK THRU APRX 65% OF THE STRUT, PN 0741001-8, WHERE 2 BOLT HOLES WERE DRILLED, APRX 1 1/2 INCHES FROM THE LOWER END. THE CRACK ORIGINATED IN THE BOTTOM OF CORROSION PITS (RUST) LOCATED AT THE INBOARD SIDE OF THE UPPER AFT SPINDLE ATTACHMENT BOLT HOLE.
Full Narrative
THE ACFT WAS BEING USED TO TRANSPORT MOUNTAIN CLIMBERS FROM A GLACIER. DURING TAKEOFF FROM THE GLACIER, THE RIGHT LANDING GEAR STRUT FAILED AT THE AXLE POINT & THE WHEEL/SKI DANGLED FREE. WHEN HE LANDED ON A GRAVEL RWY, THE PLT HELD OFF THE RIGHT SIDE AS LONG AS POSSIBLE. WHEN THE RIGHT STRUT TOUCHED DOWN, IT DUG IN, THEN COLLAPSED. AN EXAM REVEALED A FATIGUE CRACK THRU APRX 65% OF THE STRUT, PN 0741001-8, WHERE 2 BOLT HOLES WERE DRILLED, APRX 1 1/2 INCHES FROM THE LOWER END. THE CRACK ORIGINATED IN THE BOTTOM OF CORROSION PITS (RUST) LOCATED AT THE INBOARD SIDE OF THE UPPER AFT SPINDLE ATTACHMENT BOLT HOLE.
Flight
Event TypeAccident
Event Time10:30 AKDT
Nearest AirportTalkeetna (0nm N)
Runway36
Runway Length4000 ft
Runway Width60 ft
Flight Plan FiledVFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna A185F
Tail NumberN1047F
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 135
Engines1
Engine TypeReciprocating
Engine DetailsContinental · IO-520 · Reciprocating · 300
Seats6
People & Injuries
Injury SummaryNo injuries (4 uninjured)
Fatal0
Serious0
Minor0
Uninjured4
Total4
Crew 1Age 30 · Second Class
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility50 sm
CeilingNone
Temperature / Dew Point64 F / 10 C
Altimeter0
Observation Time10:30
Weather SourcePILO