NTSB Identification: LAX83LA304.
The docket is stored on NTSB microfiche number 23091.
Accident occurred Saturday, June 25, 1983 in CORNING, CA
Aircraft: RUTAN LONG-EZ-B, registration: N1695H
Injuries: 2 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.

THE PLT & PASSENGER WERE PARTICIPATING IN THE CAFE 400 EFFICIENCY RACE. SHORTLY AFTER PASSING A CHECK POINT, A PORTION OF 1 PROPELLER BLADE SEPARATED & THE PLT SHUT DOWN THE ENG. HE ELECTED TO LAND ON AN INTERSTATE HIGHWAY BY MERGING INTO TRAFFIC. HOWEVER, HE WAS UNABLE TO CLEAR OVER AN OVERPASS & HAD TO GO UNDER. SUBSEQUENTLY, THE ACFT TOUCHED DOWN EARLY. BEFORE STOPPING, THE CANARD HIT & SCRATCHED AN AUTOMOBILE & THE ACFT COLLIDED WITH THE CENTER DIVIDER OF THE HIGHWAY, COLLAPSING THE NOSE GEAR & DAMAGING THE CANARD. THE PROPELLER WAS MADE FROM WOOD & WAS SPECIFICALLY DESIGNED FOR RACING. THE TIP & OUTBOARD TRAILING EDGE OF THE FAILED BLADE HAD SPLIT & SEPARATED. REPORTEDLY, THE PROPELLER HAD BEEN FLOWN THRU DRIVING RAIN AT FULL POWER. ACCORDING TO A SERVICE MANAGER OF A PROPELLER MANUFACTURING FIRM, THE BLADE FAILURE MAY HAVE ORIGINATED WHERE IT WAS STRUCK BY AN OBJECT, BUT THIS WAS NOT VERIFIED.

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

PROPELLER SYSTEM/ACCESSORIES,BLADE..FAILURE,TOTAL


Contributing Factors

TERRAIN CONDITION..HIGH OBSTRUCTION(S)


Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN


Contributing Factors

OBJECT..VEHICLE

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