NTSB Identification: LAX84FA028.
The docket is stored on NTSB microfiche number 23248.
Accident occurred Sunday, October 23, 1983 in COMPTON, CA
Aircraft: Ercoupe (Eng & Research Corp.) 415-CD, registration: N3630H
Injuries: 1 Fatal.

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 ACFT EXPERIENCED A TOTAL POWER LOSS ON TAKEOFF & WAS DEMOLISHED IN THE IMPACT SEQUENCE & POST CRASH FIRE. ACCORDING TO SEVERAL INTERVIEWEES THE PILOT HAD PERFORMED EXTENSIVE NON-STC'D MODIFICATIONS TO THE ACFT INCLUDING THE FUEL SYSTEM.AN 'AUTOMOTIVE PERFORMANCE COMPUTER' REQUIRING A FUEL FLOW TRANSDUCER WHICH, ACCORDING TO THE MANUFACTURER, WOULD NOT WORK ON A GRAVITY FED SYSTEM. A FUEL PUMP FOUND IN THE WRECKAGE WAS DETERMINED TO BE A FUEL TRANSFER DUMP DESIGNED TO REDUCE THE OUTPUT FLOW TO ZERO AT ITS MAXIMUM OUTPUT LINE PRESSURE OF 4.5 PSI. THE TRANSDUCER WOULD HAVE REDUCED THE FUEL OUTPUT FLOW TO A 'TRICKLE'.

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

PROCEDURES/DIRECTIVES..NOT ISSUED..PILOT IN COMMAND

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

FUEL SYSTEM..IMPROPER



Contributing Factors

POOR..PILOT IN COMMAND


Contributing Factors

PREFLIGHT PLANNING/PREPARATION..INADEQUATE..PILOT IN COMMAND



Contributing Factors

MAINTENANCE,MODIFICATION..INADEQUATE..PILOT IN COMMAND

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