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NTSB Report
October 22, 1990 · Cessna 152 · N36944
West Nyack, NY
Overview
Report Status
Probable Cause
Event Type
Accident
Date
October 22, 1990
Injury Outcomes
No injuries (2 uninjured)
Location
West Nyack, NY
Aircraft
Cessna 152
Tail Number
N36944
Operator
Mac Dan Aviation
Injuries
None
Aircraft Damage
Substantial
NTSB Number
NYC91LA016
THE AIRPLANE WAS REPORTING SURFACE VEHICLE TRAFFIC, WHEN ACCORDING TO THE PILOT, 'ENGINE BEGAN RUNNING ROUGH...DECLARED AN EMERGENCY...LANDED IN AN ABANDONED DRIVE IN...HIT A CYCLONE FENCE CAUSING SUBSTANTIAL DAMAGE'. THE LOCAL WEATHER AT THE TIME OF THE ACCIDENT REPORTED A TEMPERATURE OF 64 DEGREES F AND A DEW POINT OF 60 DEGREES F. WHEN THESE FIGURES ARE PLOTTED ON A GRAPH WHICH DEPICTS THE PROBABILITY OF ENCOUNTERING CARBURETOR ICING, IT SHOWS A PROBABILITY OF 'SERIOUS ICING AT CRUISE POWER'.
NTSB Probable Cause
THE IMPROPER USE OF CARBURETOR HEAT CONTROL, WHICH RESULTED IN A LOSS OF ENGINE POWER AND SUBSEQUENT EMERGENCY FORCED LANDING AND COLLISION WITH A FENCE. A FACTOR TO THE ACCIDENT WAS WEATHER CONDITIONS SUITABLE TO FORMATION OF CARBURETOR ICING.
Full Narrative
THE AIRPLANE WAS REPORTING SURFACE VEHICLE TRAFFIC, WHEN ACCORDING TO THE PILOT, 'ENGINE BEGAN RUNNING ROUGH...DECLARED AN EMERGENCY...LANDED IN AN ABANDONED DRIVE IN...HIT A CYCLONE FENCE CAUSING SUBSTANTIAL DAMAGE'. THE LOCAL WEATHER AT THE TIME OF THE ACCIDENT REPORTED A TEMPERATURE OF 64 DEGREES F AND A DEW POINT OF 60 DEGREES F. WHEN THESE FIGURES ARE PLOTTED ON A GRAPH WHICH DEPICTS THE PROBABILITY OF ENCOUNTERING CARBURETOR ICING, IT SHOWS A PROBABILITY OF 'SERIOUS ICING AT CRUISE POWER'.
Flight
Event TypeAccident
Event Time16:28 EDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledCvfr
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 152
Tail NumberN36944
Aircraft CategoryAir
DamageSubstantial
OperatorMac Dan Aviation
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-235L2C · Reciprocating · 110
Seats2
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 33 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind180° @ 6 kt
Visibility5 sm
CeilingNone
Temperature / Dew Point64 F / 61 F
Altimeter0
Observation Time20:45
Weather SourceWFAC