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NTSB Report
July 14, 1982 · Mitsubishi MU-2B · N27GP
Schellville, CA
Overview
Report Status
Preliminary report
Event Type
Accident
Date
July 14, 1982
Injury Outcomes
1 injury (1 minor injury), 1 uninjured
Location
Schellville, CA
Aircraft
Mitsubishi MU-2B
Tail Number
N27GP
Operator
Robert Marshall Jr
Injuries
Minor
Aircraft Damage
Destroyed
NTSB Number
LAX82FA255
AT APPROXIMATELY 800 FT DOWN THE LEFT SIDE OF THE RWY THE LEFT ENG EXPERIENCED A POWER LOSS. THE ACFT SWERVED OFF THE LEFT SIDE OF THE RWY COLLIDING WITH A DRAINAGE DITCH & COMING TO REST INVERTED. EXAMINATION OF THE FUEL CONTROL UNIT REVEALED THAT THE BELLOWS WITHIN THE ASSEMBLY WERE FOUND IN AN EXTENDED POSITION, INDICATING A LEAK INTO THE EVACUATED AREA. A FAILURE WAS NOTED AT THE SEAM IN THE BELLOWS. IN ADDITION, EXAMINATION OF THE PROPELLER REVEALED THAT THE START LOCKS WERE ENGAGED & THE BLADES WERE AT THE START LOCK POSITION AT IMPACT. IN ORDER TO ENGAGE THE START LOCKS, THE POWERLEVER HAS TO BE MOVED TO REVERSE DURING SHUTDOWN WITH THE ENG RPM BELOW 50%. AFTER ENG START THE PLT MUST AGAIN RETARD THE POWER LEVERS TO REVERSE TO DISENGAGE THE START LOCKS. THE LOCKS WILL NOT DISENGAGE AFTER THE POWER LEVER IS SET TO THE FLIGHT RANGE.
Full Narrative
AT APPROXIMATELY 800 FT DOWN THE LEFT SIDE OF THE RWY THE LEFT ENG EXPERIENCED A POWER LOSS. THE ACFT SWERVED OFF THE LEFT SIDE OF THE RWY COLLIDING WITH A DRAINAGE DITCH & COMING TO REST INVERTED. EXAMINATION OF THE FUEL CONTROL UNIT REVEALED THAT THE BELLOWS WITHIN THE ASSEMBLY WERE FOUND IN AN EXTENDED POSITION, INDICATING A LEAK INTO THE EVACUATED AREA. A FAILURE WAS NOTED AT THE SEAM IN THE BELLOWS. IN ADDITION, EXAMINATION OF THE PROPELLER REVEALED THAT THE START LOCKS WERE ENGAGED & THE BLADES WERE AT THE START LOCK POSITION AT IMPACT. IN ORDER TO ENGAGE THE START LOCKS, THE POWERLEVER HAS TO BE MOVED TO REVERSE DURING SHUTDOWN WITH THE ENG RPM BELOW 50%. AFTER ENG START THE PLT MUST AGAIN RETARD THE POWER LEVERS TO REVERSE TO DISENGAGE THE START LOCKS. THE LOCKS WILL NOT DISENGAGE AFTER THE POWER LEVER IS SET TO THE FLIGHT RANGE.
Flight
Event TypeAccident
Event Time17:45 PDT
Nearest AirportSchellville (0nm N)
Runway7
Runway Length2900 ft
Runway Width100 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftMitsubishi MU-2B
Tail NumberN27GP
Aircraft CategoryAir
DamageDestroyed
OperatorRobert Marshall Jr
Operating RulePart 91
Engines2
Engine TypeTurboprop
Engine DetailsAiresearch · TPE 331-25AA · Turboprop · 575
Seats6
People & Injuries
Injury Summary1 injury (1 minor injury), 1 uninjured
Fatal0
Serious0
Minor1
Uninjured1
Total2
Crew 1Age 41 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind270° @ 8 kt
Visibility20 sm
CeilingNone
Temperature / Dew Point18 C / 0 C
Altimeter29.00 inHg