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NTSB Report
June 5, 1992 · Cessna 182 · N5381B
Coweta, OK
Overview
Report Status
Probable Cause
Event Type
Accident
Date
June 5, 1992
Injury Outcomes
No injuries (1 uninjured)
Location
Coweta, OK
Aircraft
Cessna 182
Tail Number
N5381B
Operator
James D Onyon
Injuries
None
Aircraft Damage
Substantial
NTSB Number
FTW92LA147
THE PILOT DEPARTED ON A CROSS COUNTRY WITH SCHEDULED LANDINGS AT THREE AIRPORTS. AFTER DEPARTING THE LAST SCHEDULED STOP, CRUISE WAS ESTABLISHED AT 1,800 FEET. FIFTEEN MINUTES LATER, A POPPING SOUND WAS HEARD FROM THE ENGINE AND ABOUT A MINUTE LATER ENGINE POWER WAS LOST WITHOUT FURTHER WARNING. THE AIRPLANE IMPACTED A TREE PRIOR TO SUBMERGING IN A RIVER. THE PILOT STATED THAT HE HAD 25 GALLONS OF FUEL REMAINING PRIOR TO HIS LAST DEPARTURE. ENGINE TEARDOWN FAILED TO DISCLOSE ANY MECHANICAL PROBLEM THAT WOULD HAVE PREVENTED NORMAL ENGINE OPERATION.
NTSB Probable Cause
THE TOTAL LOSS OF ENGINE POWER FOR UNDETERMINED REASONS. FACTORS WERE THE DARKNESS OF THE NIGHT AND THE LACK OF SUITABLE TERRAIN AVAILABLE TO THE PILOT FOR THE FORCED LANDING.
Full Narrative
THE PILOT DEPARTED ON A CROSS COUNTRY WITH SCHEDULED LANDINGS AT THREE AIRPORTS. AFTER DEPARTING THE LAST SCHEDULED STOP, CRUISE WAS ESTABLISHED AT 1,800 FEET. FIFTEEN MINUTES LATER, A POPPING SOUND WAS HEARD FROM THE ENGINE AND ABOUT A MINUTE LATER ENGINE POWER WAS LOST WITHOUT FURTHER WARNING. THE AIRPLANE IMPACTED A TREE PRIOR TO SUBMERGING IN A RIVER. THE PILOT STATED THAT HE HAD 25 GALLONS OF FUEL REMAINING PRIOR TO HIS LAST DEPARTURE. ENGINE TEARDOWN FAILED TO DISCLOSE ANY MECHANICAL PROBLEM THAT WOULD HAVE PREVENTED NORMAL ENGINE OPERATION.
Flight
Event TypeAccident
Event Time21:23 CDT
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 182
Tail NumberN5381B
Aircraft CategoryAir
DamageSubstantial
OperatorJames D Onyon
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · O-470-L · Reciprocating · 230
Seats4
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 36 · Third Class
Conditions
ConditionsVMC
LightDusk
Wind240° @ 3 kt
Visibility12 sm
CeilingNone
Temperature / Dew Point63 F
Altimeter29.00 inHg
Observation Time02:23
Weather SourceWFAC