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NTSB Report
October 7, 1992 · Cessna 210G · N37SC
Little Rock, AR
Overview
Report Status
Probable Cause
Event Type
Accident
Date
October 7, 1992
Injury Outcomes
No injuries (1 uninjured)
Location
Little Rock, AR
Aircraft
Cessna 210G
Tail Number
N37SC
Operator
Richardson Samuel M
Injuries
None
Aircraft Damage
Substantial
NTSB Number
FTW93LA007
AFTER TAKEOFF THE PILOT MOVED THE LANDING GEAR HANDLE TO RETRACT THE GEAR. HE DID NOT GET A GEAR UP LIGHT. HE THEN TRIED THE GEAR DOWN POSITION AND NO LIGHT ILLUMINATED. SEVERAL FLYBY'S WERE ACCOMPLISHED AND GROUND PERSONNEL INFORMED THE PILOT THAT THE NOSE GEAR WAS DOWN, THE MAIN GEAR WERE TRAILING, AND ALL GEAR DOORS WERE DOWN. THE PILOT CANCELLED HIS ORIGINAL FLIGHT PLAN AND REFILED VFR. UPON REACHING THE NEW DESTINATION, HE COMMUNICATED WITH TECHNICAL PERSONNEL BY RADIO IN AN EFFORT TO CORRECT THE MALFUNCTION. THE AIRPLANE WAS LANDED APPROXIMATELY 1.5 HOURS LATER ON RUNWAY 18. THE MAIN GEAR REMAINED UNLOCKED AND COLLAPSED UPON TOUCHDOWN. INSPECTION OF THE AIRPLANE REVEALED THE MAIN LANDING GEAR UPLOCK RELEASE VALVE HAD FAILED. THE VALVE WOULD ALLOW HYDRAULIC PRESSURE TO UNLOCK THE GEAR, BUT WOULD NOT ALLOW HYDRAULIC FLUID TO PASS THROUGH THE VALVE TO THE MAIN ACTUATORS.
NTSB Probable Cause
THE PARTIAL FAILURE OF THE LANDING GEAR RETRACTION/EXTENSION ASSEMBLY FROM RESTRICTED HYDRAULIC FLUID MOVEMENT THROUGH A PARTIALLY FAILED MAIN LANDING GEAR UPLOCK RELEASE VALVE.
Full Narrative
AFTER TAKEOFF THE PILOT MOVED THE LANDING GEAR HANDLE TO RETRACT THE GEAR. HE DID NOT GET A GEAR UP LIGHT. HE THEN TRIED THE GEAR DOWN POSITION AND NO LIGHT ILLUMINATED. SEVERAL FLYBY'S WERE ACCOMPLISHED AND GROUND PERSONNEL INFORMED THE PILOT THAT THE NOSE GEAR WAS DOWN, THE MAIN GEAR WERE TRAILING, AND ALL GEAR DOORS WERE DOWN. THE PILOT CANCELLED HIS ORIGINAL FLIGHT PLAN AND REFILED VFR. UPON REACHING THE NEW DESTINATION, HE COMMUNICATED WITH TECHNICAL PERSONNEL BY RADIO IN AN EFFORT TO CORRECT THE MALFUNCTION. THE AIRPLANE WAS LANDED APPROXIMATELY 1.5 HOURS LATER ON RUNWAY 18. THE MAIN GEAR REMAINED UNLOCKED AND COLLAPSED UPON TOUCHDOWN. INSPECTION OF THE AIRPLANE REVEALED THE MAIN LANDING GEAR UPLOCK RELEASE VALVE HAD FAILED. THE VALVE WOULD ALLOW HYDRAULIC PRESSURE TO UNLOCK THE GEAR, BUT WOULD NOT ALLOW HYDRAULIC FLUID TO PASS THROUGH THE VALVE TO THE MAIN ACTUATORS.
Flight
Event TypeAccident
Event Time18:20 CDT
Nearest AirportLittle Rock Muni (0nm)
Runway18
Runway Length5124 ft
Runway Width150 ft
Flight Plan FiledVFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 210G
Tail NumberN37SC
Aircraft CategoryAir
DamageSubstantial
OperatorRichardson Samuel M
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · IO-520A · Reciprocating · 285
Seats4
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 55 · Third Class
Conditions
ConditionsVMC
LightDusk
Wind180° @ 7 kt
Visibility5 sm
CeilingNone
Temperature / Dew Point55
Altimeter29.00 inHg
Weather SourcePILO