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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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August 20, 1984 · Piper PA-18-150 · N4052Z

Chandalar, AK

Overview

Report Status
Preliminary report
Event Type
Accident
Date
August 20, 1984
Injury Outcomes
No injuries (2 uninjured)
Location
Chandalar, AK
Aircraft
Piper PA-18-150
Tail Number
N4052Z
Injuries
None
Aircraft Damage
Destroyed
NTSB Number
ANC84LA142

DURING FLT AT ABOUT 4500 FT MSL, THE ENG BEGAN A SEVERE KNOCKING, THEN A CYLINDER SEPARATED FROM THE ENG & OIL COMPLETELY COVERED THE WINDSHIELD. THE PLT TRIED TO MAKE AN EMERGENCY LANDING BESIDE THE CHANDALAR RIVER. HOWEVER, THE ACFT CAME TO REST IN THE RIVER IN ABOUT 4 FT OF WATER. REPORTEDLY, A CYLINDER BOLT HAD FAILED.

Full Narrative

DURING FLT AT ABOUT 4500 FT MSL, THE ENG BEGAN A SEVERE KNOCKING, THEN A CYLINDER SEPARATED FROM THE ENG & OIL COMPLETELY COVERED THE WINDSHIELD. THE PLT TRIED TO MAKE AN EMERGENCY LANDING BESIDE THE CHANDALAR RIVER. HOWEVER, THE ACFT CAME TO REST IN THE RIVER IN ABOUT 4 FT OF WATER. REPORTEDLY, A CYLINDER BOLT HAD FAILED.

Flight

Event TypeAccident
Event Time09:23 AKDT
Nearest Airport20nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftPiper PA-18-150
Tail NumberN4052Z
Aircraft CategoryAir
DamageDestroyed
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320 · Reciprocating · 150
Seats2

People & Injuries

Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 45 · Third Class

Conditions

ConditionsVMC
LightDaylight
WindCalm
Visibility40 sm
CeilingBroken clouds 6000 ft
Temperature / Dew Point48 / 30 C
Altimeter0
Observation Time09:23

Appendix: Source Data