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NTSB Report
June 30, 1992 · Dofka Martin F KR-2 · N9667N
Homestead, FL
Overview
Report Status
Probable Cause
Event Type
Accident
Date
June 30, 1992
Injury Outcomes
1 injury (1 fatality)
Location
Homestead, FL
Aircraft
Dofka Martin F KR-2
Tail Number
N9667N
Operator
Lee Eugene D
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
MIA92LA144
BEFORE THE ACCIDENT FLT, THE PLT WAS SEEN WORKING ON THE ENG ASSY. THE FLT DEPARTED & SHORTLY AFTER TAKEOFF, WITNESSES HEARD THE ENG RUNNING ROUGH, & OBSERVED THE PLT BANK THE ACFT TO RETURN TO THE ARPT. THE ACFT STALLED & IMPACTED THE GROUND NOSE LOW. ACCORDING TO A DETECTIVE WHO EXAMINED THE ACFT AT THE ACCIDENT SITE, THERE WAS NO ODOR OF FUEL. EXAMINATION OF THE FUEL TANK, GASCOLATOR (BOTH IMPACT DAMAGED) & CARBURETOR REVEALED NO EVIDENCE OF FUEL. THE CARBURETOR WAS FOUND DISCONNECTED FROM THE FLEXIBLE HOSE ATTACHED TO THE INTAKE MANIFOLD. THE FUEL SELECTOR WAS IN THE ON POSITION. THE PROPELLER WAS ROTATED & 3 OF THE 4 CYLINDERS PRODUCED COMPRESSION. THE LEFT REAR CYLINDER DID NOT DUE TO A STICKING EXHAUST VALVE. ADDITIONALLY, THE RT FWD TOP IGNITION LEAD WAS DISCONNECTED. THE THREADS ON THE LEAD & PLUG WERE NOT DAMAGED. ALSO, SEVERAL OF THE IGNITION LEADS WERE FINGER TIGHT ON THEIR RESPECTIVE SPARK PLUGS.
NTSB Probable Cause
INADVERTENT STALL BY THE PILOT WHILE ATTEMPTING TO RETURN TO THE AIRPORT FOLLOWING LOSS OF ENGINE POWER. CONTRIBUTING TO THE ACCIDENT WAS THE LOSS OF POWER DUE TO A STICKING EXHAUST VALVE, AND FAILURE OF THE PILOT TO ASSURE ALL IGNITION LEADS WERE CONNECTED AND TIGHTENED BEFORE THE FLIGHT.
Full Narrative
BEFORE THE ACCIDENT FLT, THE PLT WAS SEEN WORKING ON THE ENG ASSY. THE FLT DEPARTED & SHORTLY AFTER TAKEOFF, WITNESSES HEARD THE ENG RUNNING ROUGH, & OBSERVED THE PLT BANK THE ACFT TO RETURN TO THE ARPT. THE ACFT STALLED & IMPACTED THE GROUND NOSE LOW. ACCORDING TO A DETECTIVE WHO EXAMINED THE ACFT AT THE ACCIDENT SITE, THERE WAS NO ODOR OF FUEL. EXAMINATION OF THE FUEL TANK, GASCOLATOR (BOTH IMPACT DAMAGED) & CARBURETOR REVEALED NO EVIDENCE OF FUEL. THE CARBURETOR WAS FOUND DISCONNECTED FROM THE FLEXIBLE HOSE ATTACHED TO THE INTAKE MANIFOLD. THE FUEL SELECTOR WAS IN THE ON POSITION. THE PROPELLER WAS ROTATED & 3 OF THE 4 CYLINDERS PRODUCED COMPRESSION. THE LEFT REAR CYLINDER DID NOT DUE TO A STICKING EXHAUST VALVE. ADDITIONALLY, THE RT FWD TOP IGNITION LEAD WAS DISCONNECTED. THE THREADS ON THE LEAD & PLUG WERE NOT DAMAGED. ALSO, SEVERAL OF THE IGNITION LEADS WERE FINGER TIGHT ON THEIR RESPECTIVE SPARK PLUGS.
Flight
Event TypeAccident
Event Time17:15 EDT
Nearest AirportHomestead General Avtn (0nm)
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftDofka Martin F KR-2
Tail NumberN9667N
Aircraft CategoryAir
DamageDestroyed
OperatorLee Eugene D
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsVolkswagen · 2100R-D · Reciprocating · 72
Seats2
People & Injuries
Injury Summary1 injury (1 fatality)
Fatal1
Serious0
Minor0
Uninjured0
Total1
Crew 1Age 57 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind190° @ 11 kt
Visibility8 sm
CeilingNone
Altimeter30.00 inHg
Observation Time20:48
Weather SourceWFAC