NTSB Identification: MKC83FA201.
The docket is stored on NTSB microfiche number 21687.
Accident occurred Thursday, August 25, 1983 in ATCHISON, KS
Aircraft: GRIEME SKYBOLT, registration: N798G
Injuries: 1 Serious,1 Minor.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE ACRT CRASHED 200 FT SHORT OF THE RWY WHEN THE ENGINE FAILED TO RESPOND ON A SHORT FINAL APPROACH. THE ACFT CAME TO REST 100 FT BELOW THE RWY LEVEL. THE LANDING GEAR WAS BROKEN BACKWARD. THE NOSE OF THE ACRT WAS AGAINST A DIRT BANK. THERE WAS LESS THAN 1 INCH OF FUEL IN ONE CORNER OF THE FUEL TANK. ALL FUEL LINES WERE INTACT BUT THE FIREWALL FUEL FILTER WAS BROKEN AND COULD HAVE LEAKED. DURING TESTING IT WAS CAPABLE OF SYPHONING THE FUEL DOWN TO NE PINT REMAINING IN THE TANK WHEN THE SOIL UNDER THE POSITION OF THE FILTER WAS DUG INTO A STRONG SMELL OF FUEL WAS EVIDENT. THE PILOT SAID THIS ACRT HAD A VAPOR LOCK PROBLEM BEFORE AND A NEW FUEL PUMP WAS INSTALLED. THE FUEL BOOST PUMP WAS OFF AT THE ACCIDENT SITE BUT THE THROTTLE WAS FULL FOWARD AND THE MIXTURE CONTROL WAS FULL RICH. THE PILOT HAD REDUCED POWER ON THE DOWWIND LEG AND REAPPLIED IT ON FINAL IN AN ATTEMPT TO REACH THE RWY.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FLUID,FUEL..STARVATION

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FUEL BOOST PUMP SELECTOR POSITION..IMPROPER..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

COOLING SYSTEM,COWLING..INADEQUATE

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

THROTTLE/POWER CONTROL..IMPROPER USE OF..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FUEL SYSTEM..OVERTEMPERATURE

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

FUEL SYSTEM,PUMP..BLOCKED(TOTAL)


Contributing Factors

TERRAIN CONDITION..DIRT BANK/RISING EMBANKMENT


Contributing Factors

TERRAIN CONDITION..DIRT BANK/RISING EMBANKMENT

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