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NTSB Report
July 7, 1992 · Cessna 152 · N68215
Woodstock, CT
Overview
Report Status
Probable Cause
Event Type
Accident
Date
July 7, 1992
Injury Outcomes
1 injury (1 minor injury)
Location
Woodstock, CT
Aircraft
Cessna 152
Tail Number
N68215
Operator
Northstar Aero Services
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
BFO92LA090
THE PILOT WAS EN ROUTE TO HER DESTINATION WHEN SHE SAID, ' THE ENGINE SEEMED TO BE LOSING POWER, AND THE ENGINE HAD A SOFT ABNORMAL SOUND.' THE PILOT SAID SHE PERFORMED THE STANDARD EMERGENCY PROCEDURES WHICH INCLUDED THE USE OF CARBURETOR HEAT, BUT ALL WERE UNSUCCESSFUL. SHE STATED THAT SHE NOTICED AN AIRPORT BELOW HER, AND MADE TWO ATTEMPTS TO LAND, BUT WAS UNSUCCESSFUL. ON THE THIRD ATTEMPT THE AIRPLANE STALLED, AND STRUCK A 75 FOOT TREE BEFORE IT FELL TO THE GROUND. EXAMINATION OF THE AIRPLANE BY THE FAA REVEALED A QUARTER INCH CRACK IN THE NUMBER FOUR CYLINDER WHERE THE BARREL AND HEAD ARE JOINED. THE CYLINDER IS A CHROME PLATED CYLINDER AND IS REQUIRED BY THE ENGINE MANUFACTURER AS PER THE SERVICE LETTER TO BE OVERHAULED AT 2400 HOURS. THE ENGINE HAD ACCUMULATED 888 HOURS SINCE MAJOR OVERHAUL.
NTSB Probable Cause
THE LOSS OF ENGINE POWER DUE TO A CRACKED CYLINDER AND THE INADVERTENT AERODYNAMIC STALL THAT OCCURRED DURING THE PRECUATIONARY LANDING.
Full Narrative
THE PILOT WAS EN ROUTE TO HER DESTINATION WHEN SHE SAID, ' THE ENGINE SEEMED TO BE LOSING POWER, AND THE ENGINE HAD A SOFT ABNORMAL SOUND.' THE PILOT SAID SHE PERFORMED THE STANDARD EMERGENCY PROCEDURES WHICH INCLUDED THE USE OF CARBURETOR HEAT, BUT ALL WERE UNSUCCESSFUL. SHE STATED THAT SHE NOTICED AN AIRPORT BELOW HER, AND MADE TWO ATTEMPTS TO LAND, BUT WAS UNSUCCESSFUL. ON THE THIRD ATTEMPT THE AIRPLANE STALLED, AND STRUCK A 75 FOOT TREE BEFORE IT FELL TO THE GROUND. EXAMINATION OF THE AIRPLANE BY THE FAA REVEALED A QUARTER INCH CRACK IN THE NUMBER FOUR CYLINDER WHERE THE BARREL AND HEAD ARE JOINED. THE CYLINDER IS A CHROME PLATED CYLINDER AND IS REQUIRED BY THE ENGINE MANUFACTURER AS PER THE SERVICE LETTER TO BE OVERHAULED AT 2400 HOURS. THE ENGINE HAD ACCUMULATED 888 HOURS SINCE MAJOR OVERHAUL.
Flight
Event TypeAccident
Event Time14:15 EDT
Nearest AirportTOUTANT (0nm)
Runway18
Runway Length1800 ft
Runway Width60 ft
Flight Plan FiledVFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 152
Tail NumberN68215
Aircraft CategoryAir
DamageSubstantial
OperatorNorthstar Aero Services
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsAvco Lycoming · O-235-L2C · Reciprocating · 110
Seats2
People & Injuries
Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 59 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind270° @ 12 kt
Visibility40 sm
CeilingNone
Temperature / Dew Point52
Altimeter29.00 inHg
Observation Time17:50
Weather SourceWFAC