NTSB Identification: DEN88LA152.
The docket is stored on NTSB microfiche number 36304.
Accident occurred Monday, July 04, 1988 in FORT COLLINS, CO
Probable Cause Approval Date: 06/07/1989
Aircraft: BALLOON WORKS FIREFLY 8B, registration: N7420S
Injuries: 1 Serious,1 Uninjured.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
THIS BALLOON FLT WAS PART OF A RALLY. THE FLT DEPARTED FROM A STADIUM, CLIMBED TO 500' AND THEN MADE A CONTROLLED DESCENT AND LANDING. AFTER THE NEXT TAKEOFF AND CLIMB TO ABOUT 125' WHEN THE BURNER WAS TURNED OFF THE PLT NOTICED THAT FUEL WAS NOT FLOWING TO THE PLT LIGHT. WHILE ATTEMPTING CORRECTIVE ACTION THE BALLOON COOLED AND BEGAN TO DESCEND. THE BALLOON WAS DRIFTING TOWARD POWERLINES AND UPON REACHING 50 TO 75' AGL, THE PLT DECIDED TO OPEN THE VENT FULL AND MAKE AN EMERGENCY LANDING. DURING THE LANDING THE BALLOON DRAPED OVER A FENCE AND THE PASSENGER SUFFERED A BROKEN ANKLE. THE PILOT STATED THAT IT IS LIKELY SHE INADVERTENTLY BUMPED THE PILOT LIGHT VALVE WHILE WORKING THE MAIN FUEL VALVE. SHE REPORTED THAT AFTER THE ACCIDENT BOTH THE MAIN AND PILOT FUEL SYSTEMS WERE CHECKED AND FOUND OK.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:BALLOON EQUIPMENT,BURNER SYSTEM..INOPERATIVE
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FUEL SUPPLY..INADVERTENT DEACTIVATION..PILOT IN COMMAND
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