NTSB Identification: LAX91LA051.
The docket is stored on NTSB microfiche number 44627.
Accident occurred Sunday, December 09, 1990 in MADERA, CA
Probable Cause Approval Date: 02/12/1993
Aircraft: Ercoupe (Eng & Research Corp.) 415-C, registration: N3080H
Injuries: 1 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PILOT OF A ENGINEERING RESEARCH 415-C AIRCRAFT EXPERIENCED ENGINE FAILURE DURING CRUISE. THE PILOT STATED HE NOTICED THE FUEL SIGHT GAUGE ON THE FUSELAGE FUEL TANK GOING DOWN MORE RAPIDLY THAN NORMAL. AT THIS TIME HE STARTED DOWN TO LAND AT MADERA, CALIFORNIA; HOWEVER, THE ENGINE QUIT AND HE WAS UNABLE TO MAKE THE AIRPORT. INVESTIGATION DISCLOSED A PLUGGED VENT LINE ON THE RIGHT FUEL TANK. THERE WAS AN UNQUANTIFIED AMOUNT OF FUEL REMAINING IN THE LEFT FUEL TANK.

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

ENGINE FAILURE DUE TO A PLUGGED VENT LINE, AFFECTING THE ABILITY OF THE SYSTEM TO TRANSFER FUEL TO THE MAIN TANK.

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