I just ran across this information on the canard aviation forum:
Perry Mick
http://www.ntsb.gov/ntsb/brief.asp?ev_id=20051011X01613&key=1
NTSB Identification: LAX05CA310.
The docket is stored in the Docket Management System (DMS).
Please contact Records Management Division
14 CFR Part 91: General Aviation
Accident occurred Monday, September 19, 2005 in Sonoma, CA
Probable Cause Approval Date: 1/31/2006
Aircraft: Clark Vans RV8, registration: N559JC
Injuries: 1 Minor, 1 Uninjured.
The experimental airplane collided with grapevines and support posts
during a forced landing
following a loss of engine power while on downwind for the runway.
The pilot performed prelanding
checks on downwind, and upon switching on the second fuel pump, the
engine lost power. The pilot
switched the fuel pump to the original position and selected the
other fuel tank. Neither action
caused the engine to regain its power. The pilot attempted to lower
the electrically powered flaps
to prepare for the emergency landing on the runway but the flaps
failed to deploy. The airplane
carried an excess of 30 to 40 knots while flying 10 to 20 feet above
the runway; the pilot
determined that he would easily overrun the 2,480-foot-long runway
and impact structures at the end
if he did not divert the airplanes path. He pulled up and turned
left 180 degrees to dissipate the
extra energy and landed along the vine rows of the neighboring
vineyard. First responders reported
that there appeared to be no fuel in the airplane's fuel tanks nor
evidence of a post accident fuel
spill or leak from the airplane. The pilot said that the airplane's
electrical system powers the
engine's electronic ignition, propeller pitch control, and flaps.
Examination of the electrical
system revealed that the "Master Power Switch" that was being used
was an automotive keyed single
pole single throw switch, and that the back was loose and coming
apart, making the internal
electrical contacts intermittent. This switch ties together power
from the batteries and the
alternator. Failure of this switch could result in the loss of
ignition power to the engine.
The National Transportation Safety Board determines the probable
cause(s) of this accident as follows:
a loss of engine power due to the failure of the master electrical
power switch, which removed power
to the electronic ignition.
Full narrative available
"But for the want of a nail............"
Brian Trubee
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