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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

August 22, 1993 · Cessna 172 · N3817S

Knik Glacier, AK

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
August 22, 1993
Injury Outcomes
No injuries (1 uninjured)
Location
Knik Glacier, AK
Aircraft
Cessna 172
Tail Number
N3817S
Operator
Cochran James A
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ANC93LA162

THE PILOT SAID HE WAS LANDING AT A NARROW AND ROUGH REMOTE HUNTING SITE, AND HIS FORWARD VISIBILITY WAS LIMITED BY HEAVY RAIN. HE MISTAKENLY TOUCHED DOWN ABOUT 10 FT TO THE LEFT SIDE OF THE LANDING AREA ONTO ROUGH TERRAIN. THE NOSE GEAR COLLAPSED AND THE LEFT WING HIT THE GROUND.

NTSB Probable Cause

THE PILOT'S IMPROPER INFLIGHT PLANNING/DECISION, AND HIS FAILURE TO ATTAIN THE PROPER TOUCHDOWN POINT. FACTORS WERE THE RAIN AND THE ROUGH/UNEVEN TERRAIN.

Full Narrative

On August 21, 1993, at 1930 Alaska daylight time, a wheel equipped Cessna 172 airplane, N3817S, experienced a collapsed nose landing gear while landing at a remote strip adjacent to the Knik Glacier, approximately 10 miles east of Palmer, Alaska. The private pilot, the sole occupant, was not injured, and the airplane was substantially damaged. The personal flight, operating under 14 CFR Part 91, departed Palmer at 1900. Visual meteorological conditions existed, and no flight plan was filed. During a telephone interview with the pilot shortly after the accident, he stated the following in part: "The purpose of the flight was to hunt moose. The strip was narrow and rough. It was raining heavy and my forward visibility was bad. I mistakenly touched down about 10 feet to the left side of the landing area. The nose gear collapsed and the left wing hit the ground." While the accident was reported by the pilot on August 22, 1993, the amount of damage was not determined until an aircraft mechanic, Mr. Ray Block, of Palmer, recovered the airplane on August 31, 1993. Mr. Block stated that the rear spar in the left wing was damaged and would have to be replaced.

Flight

Event TypeAccident
Event Time19:30 AKDT
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftCessna 172
Tail NumberN3817S
Aircraft CategoryAir
DamageSubstantial
OperatorCochran James A
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · O-300-D · Reciprocating · 145
Seats4

People & Injuries

Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 52 · Third Class

Conditions

ConditionsVMC
LightDaylight
Wind270° @ 5 kt
Visibility10 sm
CeilingOvercast 3000 ft
Temperature / Dew Point61 F / 0 C
Altimeter0
Weather SourcePILO

Appendix: Source Data