NTSB Identification: LAX84FU022.
The docket is stored on NTSB microfiche number 22938.
Accident occurred Tuesday, November 15, 1983 in ELSINORE, CA
Aircraft: LAZAIR ULTRALIGHT, registration: NONE
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.

AFTER PURCHASING THE 2 ENG ULTRALIGHT, THE PLT MODIFIED IT BY INSTALLING 2 ADDITIONAL ENGS. THESE WERE 6 HP PIONEER ENGSINSTALLED IN THE #1 & #4 POSITIONS. JUST PRIOR TO THE ACCIDENT, WITNESSES OBSERVED THE VEHICLE FLYING OVER THE CENTER OFA LAKE AT APRX 250 FT & AT HI SPEED. REPORTEDLY, IT ENTERED A RIGHT BANK, WHICH CONTINUED, AND SUBSEQUENTLY, THE VEHICLEDESCENDED & STRUCK THE WATER IN A NOSE 1ST ATTITUDE. AN INVESTIGATION REVEALED THAT ON AT LEAST 2 OCCASIONS, AN OUTBOARDENG HAD INADVERTENTLY SHUT DOWN, INFLT. A FRIEND OF THE PLT HAD FLOWN THIS SAME VEHICLE & HAD EXPERIENCED AN OUTBOARD ENG SHUTDOWN. HE CONFIRMED THAT FULL OPPOSITE RUDDER WAS REQUIRED TO MAINTAIN CONTROL. ALL PROPELLERS WERE FOUND BROKEN,EXCEPT #4 WHICH WAS NOT DAMAGED. FLEXIBLE FUEL LINES WERE FOUND INSERTED IN THE FUEL TANK TO PICKUP FUEL FOR THE #1 & #4ENGS; HOWEVER, THEY WERE NOT SECURED TO ASSURE PROPER DEPTH. THE VEHICLE WAS NOT EQUIPPED WITH A SHOULDER HARNESS. THE PLT HAD NOT RECEIVED ANY KNOWN PLT GROUND TRAINING. HE HAD FLOWN THE ACFT APRX 5 HRS AFTER IT WAS MODIFIED WITH 4 ENGS.

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

EMERGENCY PROCEDURE..DELAYED..PILOT IN COMMAND

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

AIRCRAFT HANDLING..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

MAINTENANCE,DESIGN CHANGE..PERFORMED..PILOT IN COMMAND


Contributing Factors

FUEL SYSTEM,LINE..LOOSE


Contributing Factors

MAINTENANCE,INSTALLATION..IMPROPER..PILOT IN COMMAND


Contributing Factors

LACK OF FAMILIARITY WITH AIRCRAFT..PILOT IN COMMAND


Contributing Factors

INADEQUATE INITIAL TRAINING..PILOT IN COMMAND



Contributing Factors

FLUID,FUEL..STARVATION

Index for Nov1983 | Index of months