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NTSB Report
April 1, 1990 · Alon A-2 · N37BH
Jonesboro, GA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
April 1, 1990
Injury Outcomes
1 injury (1 serious injury)
Location
Jonesboro, GA
Aircraft
Alon A-2
Tail Number
N37BH
Injuries
Serious
Aircraft Damage
Substantial
NTSB Number
ATL90LA090
DURING THE INITIAL CLIMB AFTER TAKE OFF THE ENGINE BEGAN TO RUN ROUGHLY & THEN QUIT. A HARD LANDING WAS MADE IN A CLEARING ADJACENT TO THE RUNWAY WHEN THE PILOT INTENTIONALLY STALLED THE AIRPLANE & ALLOWED IT TO MUSH INTO THE GROUND. THE AIRPLANE WAS FUELED WITH A MIXTURE OF 100LL & AUTOMOTIVE, ACCORDING TO THE PILOT. HE ALSO STATED THAT THE CARBURETOR HEAT CHECKED NORMALLY BEFORE TAKE OFF. THE CARBURETOR HEAT WAS LEFT IN THE ON POSITION WHILE THE AIRPLANE WAS POSITIONED FOR TAKE OFF ON THE RUNWAY. THE AUTOMOTIVE FUEL STC INDICATES THAT CARBURETOR ICE WILL FORM EARLIER WITH AUTO FUEL, UNDER CONDUCIVE ATOMOSPHERIC CONDITIONS. CARBURETOR ICING CONDITIONS EXISTED AT THE TIME OF THE TAKE OFF.
NTSB Probable Cause
LOSS OF ENGINE POWER BECAUSE OF CARBURETOR ICING CONDITIONS. A FACTOR IN THE ACCIDENT WAS THE PILOT'S IMPROPER USE OF CARBURETOR HEAT.
Full Narrative
DURING THE INITIAL CLIMB AFTER TAKE OFF THE ENGINE BEGAN TO RUN ROUGHLY & THEN QUIT. A HARD LANDING WAS MADE IN A CLEARING ADJACENT TO THE RUNWAY WHEN THE PILOT INTENTIONALLY STALLED THE AIRPLANE & ALLOWED IT TO MUSH INTO THE GROUND. THE AIRPLANE WAS FUELED WITH A MIXTURE OF 100LL & AUTOMOTIVE, ACCORDING TO THE PILOT. HE ALSO STATED THAT THE CARBURETOR HEAT CHECKED NORMALLY BEFORE TAKE OFF. THE CARBURETOR HEAT WAS LEFT IN THE ON POSITION WHILE THE AIRPLANE WAS POSITIONED FOR TAKE OFF ON THE RUNWAY. THE AUTOMOTIVE FUEL STC INDICATES THAT CARBURETOR ICE WILL FORM EARLIER WITH AUTO FUEL, UNDER CONDUCIVE ATOMOSPHERIC CONDITIONS. CARBURETOR ICING CONDITIONS EXISTED AT THE TIME OF THE TAKE OFF.
Flight
Event TypeAccident
Event Time18:15 EDT
Nearest AirportSouth Expressway (0nm N)
Runway24
Runway Length2980 ft
Runway Width30 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftAlon A-2
Tail NumberN37BH
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · C90 · Reciprocating · 90
Seats2
People & Injuries
Injury Summary1 injury (1 serious injury)
Fatal0
Serious1
Minor0
Uninjured0
Total1
Crew 1Age 57 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind260° @ 5 kt
Visibility25 sm
CeilingNone
Temperature / Dew Point54
Altimeter29.00 inHg
Observation Time21:52
Weather SourceWFAC