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NTSB Report
October 13, 1992 · Harkness Richard W Adventure · N87RH
New Smyrna Bch, FL
Overview
Report Status
Probable Cause
Event Type
Accident
Date
October 13, 1992
Injury Outcomes
1 injury (1 fatality)
Location
New Smyrna Bch, FL
Aircraft
Harkness Richard W Adventure
Tail Number
N87RH
Operator
Deshler Marshall L
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
MIA93LA006
A WITNESS OBSERVED THE AIRCRAFT CIRCLE THE AIRPORT AT APPROXIMATELY 2,500 FEET AND PERFORM A DESCENDING TURN TO OVERFLY THE RUNWAY FROM SOUTH TO NORTH. THE AIRCRAFT LEVELED OFF AT 300 FEET OVER THE RUNWAY AT AN APPROXIMATE SPEED OF 160 MPH. AS THE AIRCRAFT PASSED THE NORTH END OF THE RUNWAY THE PILOT BEGAN A MODERATE PITCH UP AND THE ENGINE STOPPED COMPLETELY. THE PILOT CONTINUED THE PITCH UP AND MADE A HARD LEFT TURN. THE AIRCRAFT STALLED, HOWEVER, THE PILOT REGAINED CONTROL. THE AIRCRAFT STALLED SEVERAL MORE TIMES PRIOR TO IMPACTING THE GROUND IN A NEAR VERTICAL ATTITUDE. POSTCRASH EXAMINATION OF THE ENGINE REVEALED THE NUMBER THREE CYLINDER HAD SEIZED DUE TO OVERHEATING WHICH WAS CAUSED BY EXCESSIVE LEANING. NO MECHANICAL FAILURE WHICH WOULD HAVE CAUSED EXCESSIVE LEANING WAS FOUND.
NTSB Probable Cause
THE FAILURE OF THE PILOT IN COMMAND TO MAINTAIN AIRSPEED ABOVE STALL SPEED FOLLOWING ENGINE FAILURE RESULTING IN THE AIRCRAFT STALLING AND DESCENDING UNCONTROLLED TO THE GROUND. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT IN COMMAND'S IMPROPER LEANING OF THE ENGINE WHICH CAUSED ENGINE OVERHEATING AND ENGINE SEIZURE.
Full Narrative
A WITNESS OBSERVED THE AIRCRAFT CIRCLE THE AIRPORT AT APPROXIMATELY 2,500 FEET AND PERFORM A DESCENDING TURN TO OVERFLY THE RUNWAY FROM SOUTH TO NORTH. THE AIRCRAFT LEVELED OFF AT 300 FEET OVER THE RUNWAY AT AN APPROXIMATE SPEED OF 160 MPH. AS THE AIRCRAFT PASSED THE NORTH END OF THE RUNWAY THE PILOT BEGAN A MODERATE PITCH UP AND THE ENGINE STOPPED COMPLETELY. THE PILOT CONTINUED THE PITCH UP AND MADE A HARD LEFT TURN. THE AIRCRAFT STALLED, HOWEVER, THE PILOT REGAINED CONTROL. THE AIRCRAFT STALLED SEVERAL MORE TIMES PRIOR TO IMPACTING THE GROUND IN A NEAR VERTICAL ATTITUDE. POSTCRASH EXAMINATION OF THE ENGINE REVEALED THE NUMBER THREE CYLINDER HAD SEIZED DUE TO OVERHEATING WHICH WAS CAUSED BY EXCESSIVE LEANING. NO MECHANICAL FAILURE WHICH WOULD HAVE CAUSED EXCESSIVE LEANING WAS FOUND.
Flight
Event TypeAccident
Event Time14:30 EDT
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftHarkness Richard W Adventure
Tail NumberN87RH
Aircraft CategoryAir
DamageDestroyed
OperatorDeshler Marshall L
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsAmw · 225-3F1AG · Reciprocating · 225
Seats1
People & Injuries
Injury Summary1 injury (1 fatality)
Fatal1
Serious0
Minor0
Uninjured0
Total1
Crew 1Age 61 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind30° @ 10 kt
Visibility12 sm
CeilingNone
Temperature / Dew Point54
Altimeter30.00 inHg
Observation Time18:51
Weather SourceWFAC