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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

October 20, 1991 · Piper PA28-161 · N8092A

Chandler, AZ

Overview

Report Status
Probable Cause
Event Type
Accident
Date
October 20, 1991
Injury Outcomes
No injuries (1 uninjured)
Location
Chandler, AZ
Aircraft
Piper PA28-161
Tail Number
N8092A
Operator
Chandler Air Service
Injuries
None
Aircraft Damage
Substantial
NTSB Number
LAX92LA020

THE CERTIFICATED PRIVATE PILOT, THE SOLE OCCUPANT, WAS DEPARTING THE AIRPORT ON A PERSONAL FLIGHT IN THE LOCAL AREA. THE ENGINE BEGAN TO SPUTTER AND LOSE POWER SHORTLY AFTER TAKEOFF AT ABOUT 200 FT AGL. THE PILOT SELECTED AN EMERGENCY LANDING AREA ON A ROAD AT THE DEPARTURE END OF THE RUNWAY. DUE TO POWER LINES ACROSS THE INTENDED LANDING AREA, THE PILOT SELECTED A ROAD PARALLELING AN IRRIGATION DITCH. AFTER CLEARING THE POWER LINES, THE AIRPLANE TOUCHED DOWN ON THE ROAD. DURING THE LANDING ROLL, THE LEFT WING STRUCK A SIGN, CAUSING THE AIRPLANE TO SWERVE INTO THE IRRIGATION DITCH. THE AIRPLANE WAS SUBSTANTIALLY DAMAGED AND THE PILOT RECEIVED MINOR INJURIES. A POST ACCIDENT EXAMINATION OF THE ENGINE REVEALED THAT TWO CYLINDERS HAD LITTLE OR NO COMPRESSION. BOTH CYLINDERS HAD VALVES STUCK IN THE OPEN POSITION.

NTSB Probable Cause

AN ENGINE MALFUNCTION PRODUCED BY EXHAUST VALVES STUCK IN THE OPEN POSITION. CONTRIBUTING TO THE ACCIDENT WAS AN UNSUITABLE LANDING AREA AND A SIGN ADJACENT TO THE LANDING AREA.

Full Narrative

THE CERTIFICATED PRIVATE PILOT, THE SOLE OCCUPANT, WAS DEPARTING THE AIRPORT ON A PERSONAL FLIGHT IN THE LOCAL AREA. THE ENGINE BEGAN TO SPUTTER AND LOSE POWER SHORTLY AFTER TAKEOFF AT ABOUT 200 FT AGL. THE PILOT SELECTED AN EMERGENCY LANDING AREA ON A ROAD AT THE DEPARTURE END OF THE RUNWAY. DUE TO POWER LINES ACROSS THE INTENDED LANDING AREA, THE PILOT SELECTED A ROAD PARALLELING AN IRRIGATION DITCH. AFTER CLEARING THE POWER LINES, THE AIRPLANE TOUCHED DOWN ON THE ROAD. DURING THE LANDING ROLL, THE LEFT WING STRUCK A SIGN, CAUSING THE AIRPLANE TO SWERVE INTO THE IRRIGATION DITCH. THE AIRPLANE WAS SUBSTANTIALLY DAMAGED AND THE PILOT RECEIVED MINOR INJURIES. A POST ACCIDENT EXAMINATION OF THE ENGINE REVEALED THAT TWO CYLINDERS HAD LITTLE OR NO COMPRESSION. BOTH CYLINDERS HAD VALVES STUCK IN THE OPEN POSITION.

Flight

Event TypeAccident
Event Time09:20 MST
Nearest AirportCHANDLER (5nm NNE)
Runway22
Runway Length4395 ft
Runway Width75 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftPiper PA28-161
Tail NumberN8092A
Aircraft CategoryAir
DamageSubstantial
OperatorChandler Air Service
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320-036 · Reciprocating · 160
Seats4

People & Injuries

Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 32 · Third Class

Conditions

ConditionsVMC
LightDaylight
WindCalm
Visibility15 sm
CeilingNone
Temperature / Dew Point0 C
Altimeter0
Weather SourcePILO

Appendix: Source Data