NTSB Identification: LAX83FVD06.
The docket is stored on NTSB microfiche number 24163.
Accident occurred Sunday, March 13, 1983 in ESCALON, CA
Aircraft: BELL 206B, registration: N90329
Injuries: 3 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 HELICOPTER COLLIDED WITH A SMALL TREE ABOUT 8 FT HIGH DURING A FORCED LANDING AT NIGHT AFTER A POWER LOSS. THE COLLISION BROKE THE TAIL BOOM AND A HARD LANDING CAUSED THE FAILURE OF A LANDING SKID AND DAMAGED THE MAIN ROTOR. THE PLT HAD TAKEN TWO FRIENDS FOR A NIGHT FLT AND AFTER A SHORT FLIGHT THE ENGINE QUIT. THE FORCED LANDING FOLLOWED. DURING THE POST ACCIDENT INVESTIGATION THE FUEL IN THE ACFT WAS FOUND TO BE DIRTY. BECAUSE OF A FUEL BYPASS THAT PERMITSCONTINOUS FUEL FLOW TO THE ENGINE BYPASSING THE MAIN FUEL FILTER FUEL CONTAMINATION WAS NOT CONSIDERED TO BE A CRITICAL FACTOR IN THIS INSTANCE.

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

REASON FOR OCCURRENCE UNDETERMINED


Contributing Factors

OBJECT..TREE(S)


Contributing Factors

FLUID,FUEL..CONTAMINATION


Contributing Factors

AUTOROTATION..PERFORMED..PILOT IN COMMAND

Index for Mar1983 | Index of months