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NTSB Report
December 22, 1992 · Shaw Velocity HXB Velocity H · N8101S
Savannah, GA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
December 22, 1992
Injury Outcomes
No injuries (1 uninjured)
Location
Savannah, GA
Aircraft
Shaw Velocity HXB Velocity H
Tail Number
N8101S
Operator
Shaw George A
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ATL93LA040
THE ENGINE QUIT DURING CRUISE FLIGHT, AT 6500 FEET, WHILE THE PILOT WAS OPERATING VFR ON TOP. AFTER DESCENDING BELOW THE CLOUDS HE OBSERVED SWAMPY TERRAIN AND THE SAVANNAH RIVER. THE AIRPLANE WAS LANDED IN THE RIVER AND INCURRED SUBSTANTIAL DAMAGE. THE PILOT WAS RECOVERED BY A COAST GUARD HELICOPTER. SUBSEQUENT EXAMINATION OF THE ENGINE REVEALED THAT THE IDLER GEAR HAD DISENGAGED FROM THE CRANKSHAFT GEAR. THE HEAD OF THE BOLT THAT SECURED THE IDLER GEAR WAS FOUND IN THE OIL SUMP. ITS ASSOCIATED WASHER WAS NOT FOUND.
NTSB Probable Cause
THE DISENGAGEMENT OF THE IDLER GEAR, WHICH INTERRUPTED FUEL PUMP OPERATION, AND RESULTED IN THE TOTAL LOSS OF ENGINE POWER. FACTORS WERE THE LACK OF SUITABLE TERRAIN AND THE WATER.
Full Narrative
THE ENGINE QUIT DURING CRUISE FLIGHT, AT 6500 FEET, WHILE THE PILOT WAS OPERATING VFR ON TOP. AFTER DESCENDING BELOW THE CLOUDS HE OBSERVED SWAMPY TERRAIN AND THE SAVANNAH RIVER. THE AIRPLANE WAS LANDED IN THE RIVER AND INCURRED SUBSTANTIAL DAMAGE. THE PILOT WAS RECOVERED BY A COAST GUARD HELICOPTER. SUBSEQUENT EXAMINATION OF THE ENGINE REVEALED THAT THE IDLER GEAR HAD DISENGAGED FROM THE CRANKSHAFT GEAR. THE HEAD OF THE BOLT THAT SECURED THE IDLER GEAR WAS FOUND IN THE OIL SUMP. ITS ASSOCIATED WASHER WAS NOT FOUND.
Flight
Event TypeAccident
Event Time17:34 EST
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftShaw Velocity HXB Velocity H
Tail NumberN8101S
Aircraft CategoryAir
DamageSubstantial
OperatorShaw George A
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-360-A1A · Reciprocating · 180
Seats4
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 42 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind130° @ 9 kt
Visibility7 sm
CeilingOvercast 2400 ft
Temperature / Dew Point63 F / 57
Altimeter30.00 inHg
Observation Time21:51
Weather SourceWFAC