Sutter County Airport, Yuba City, CA
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Area Accident History:
Accident occurred Saturday, November 04, 2006 in
Yuba City, CA
Aircraft: Aircraft Mfg & Dev. Co. (AMD) CH601XL
SLSA, registration: N158MD
Injuries: 2 Fatal. This is preliminary
information, subject to change, and may contain errors. Any errors in this
report will be corrected when the final report has been completed. On November
4, 2006, about 1139 Pacific standard time, an Aircraft Manufacturing &
Development Co., CH601XL SLSA, N158MD, experienced an in-flight breakup while
cruising approximately 8 nautical miles south of Yuba City, California. The
airplane was destroyed. The private pilot, who was a co-owner of the airplane,
and a passenger were fatally injured. Visual meteorological conditions
prevailed, and no flight plan had been filed. The flight was performed under the
provisions of 14 CFR Part 91, and it originated from Lincoln, California, about
1129. A ground-based witness reported hearing the airplane as it approached his
location. The witness stated that the airplane's engine was "missing" and its
power was "on and off." Seconds later the witness heard the sound of an
explosion and observed the center section of the airplane falling straight down.
All of the airplane's structural components were located in adjacent open fields
during the National Transportation Safety Board's on-scene investigation. The
wreckage consisted of the following components, which were separated from each
other: left wing (without aileron); right wing (with aileron); main landing gear
assembly; cockpit, engine with attached propeller blades; aileron (left wing);
and empennage. There was no evidence of oil spray on any of the components, and
there was no evidence of fire. The wreckage has been recovered and detailed
airframe and engine examinations are ongoing. ===
Accident occurred Thursday, May 11, 2006 in Yuba
City, CA
Probable Cause Approval Date: 8/29/2006
Aircraft: Grumman G-164A, registration: N4892
Injuries: 1 Uninjured.
The airplane stalled during departure from the
airstrip and collided with trees. The airplane was loaded with 1,800 pounds of
chemical and the temperature was approximately 85 degrees Fahrenheit. During the
initial climb, the pilot realized that the airplane would not be able to clear
the trees at the end of the runway. He attempted an avoidance maneuver but the
airplane stalled and impacted trees. The pilot reported that there were no
mechanical malfunctions or failures with the airplane. The National
Transportation Safety Board determines the probable cause(s) of this accident as
follows: the pilot's failure to attain and maintain an adequate airspeed during
the takeoff initial climb. ===
Accident occurred Saturday, April 01, 2006 in
Yuba City, CA
Probable Cause Approval Date: 4/25/2007
Aircraft: Bell UH-1H, registration: N710WD
Injuries: 1 Uninjured.
The helicopter collided with trees and the
ground following an in-flight loss of control while conducting an aerial
spraying operation. The pilot reported that the purpose of the flight was to
spray a fungicide on several tree orchards in the area. After about 3 miles in
flight he reached the orchard to be treated and slowed the helicopter. He
initiated a descending left turn. During the turn the flight controls locked and
the pilot thought the helicopter was experiencing a hydraulic failure. He
maneuvered the helicopter to avoid power lines and attempted to regain control.
He turned the hydraulic system off and manipulated the cyclic in an effort to
obtain level flight. The helicopter impacted trees. A follow-up examination of
the helicopter by Federal Aviation Administration inspectors and a technical
representative from the helicopter's manufacturer revealed no mechanical
malfunctions or failures that would have precluded normal operation of the
helicopter in general and the hydraulic control system in particular. The
National Transportation Safety Board determines the probable cause(s) of this
accident as follows: The pilot's in-flight loss of control of the helicopter for
undetermined reasons. A factor was the trees. ===
Accident occurred Saturday, April 30, 2005 in
Yuba City, CA
Probable Cause Approval Date: 8/29/2006
Aircraft: Grumman G-164A, registration: N5304
Injuries: 1 Uninjured.
During the takeoff initial climb, the pilot
heard a loud bang followed by a partial loss of engine power, and made an
emergency landing on a dry rice field. The airplane landed hard, sheared off the
landing gear, and tumbled before coming to rest on its belly. The post accident
engine inspection revealed that the number 7 cylinder was cracked along the
cylinder fins and around the top and bottom spark plug holes. The cylinder was
removed revealing a crack along the inside portion of the combustion chamber of
the cylinder head from spark plug hole to spark plug hole in-between the intake
and exhaust valves. The engine logbooks entries did not show removal of the
number 7 cylinder at any time between the last overhaul in 1999 and the date of
the accident. The last inspection took place 5 months prior to the accident. The
reasons for the cracks were not determined. The National Transportation Safety
Board determines the probable cause(s) of this accident as follows: a partial
loss of engine power due to multiple cracks in the number 7 cylinder. The
reasons for the cracks were not determined ===
Accident occurred Friday, January 14, 2005 in
Yuba City, CA
Probable Cause Approval Date: 2/28/2006
Aircraft: Cessna T210L, registration: N5177V
Injuries: 1 Uninjured.
During a 20-minute flight, the engine lost power
due to fuel exhaustion, and the pilot forced landed the airplane in a river.
Prior to departure, the pilot noted that the left fuel tank gauge indicated less
than 1/4 tank and the right fuel tank gauge indicated 1/4 tank of fuel. The
pilot did not visually verify the fuel quantity in the tanks and departed using
the right tank. The pilot climbed the airplane to 5,500 feet mean seal level and
set the manifold pressure and rpm at 25 inches and 2,500 rpm, respectively. He
then leaned the mixture to 30 degrees, lean of peak. During cruise flight, the
pilot felt a drop in power and noticed a fluctuating fuel flow indication and
almost 1/4 tank of fuel indicated on the right gauge. He switched to the left
fuel tank, power was restored, and the fuel flow stabilized. While approaching
to land at the nearest airport, the pilot extended the gear and set the flaps to
the approach setting. Then, the engine began to lose power again and the fuel
flow was fluctuating. He applied a full rich mixture, full forward on the
throttle and the propeller. He also switched the fuel selector to the right tank
and pitched the airplane's attitude for best glide speed. Because the airplane
was about 1,500 feet above ground level and nearing the approach end of the
runway, the pilot elected to perform a 360-degree turn in order to dissipate the
airplane's altitude. As the airplane came through 270 degrees, he noted that the
airplane was too low to land on the runway. After assessing his other landing
options, the pilot elected to land the airplane in the river. He raised the gear
and slowed the airplane to 80 miles per hour. Upon landing, the pilot egressed
the airplane and swam to shore. The pilot felt that he should not have departed
without refueling the airplane. The airplane had accumulated about 5 1/2 hours
since its last refueling. The pilot said that he was planning on obtaining fuel
from another airport in his city; however, a family member called requesting a
ride from a nearby airport and he decided to refuel there instead. Performance
calculations indicated that the usable fuel level would have been nearly
depleted based on the flight profiles and times since the last refueling of the
airplane. The National Transportation Safety Board determines the probable
cause(s) of this accident as follows: the pilot's inadequate preflight
preparation and failure to verify the fuel supply, which resulted in fuel
exhaustion and subsequent loss of engine power. ===
Accident occurred Sunday, August 15, 2004 in
Yuba City, CA
Probable Cause Approval Date: 9/13/2005
Aircraft: Cessna 172M, registration: C-GTKX
Injuries: 1 Fatal.
The airplane collided with a sign, then stalled
and impacted terrain while attempting a takeoff from a residential street. The
street was about 2,000 feet in total length with a cul-de-sac on each end. Radar
data showed that the airplane flew parallel to an airport runway about a mile to
the west and then made a 630-degree turn (1 3/4 turns) over the accident area.
The airplane landed toward the south on the road located in a housing
development that was under construction and taxied back to the the north until
it reached a parked semi truck that was about 1,300 feet from the south end of
the road. The airplane then turned around facing the south. Witnesses said the
the airplane momentarily stopped, with the engine revving, then it began to roll
down the road and subsequently became airborne. During the initial climb, the
airplane's left wing impacted a sign, and as it approached a power line pole,
the nose pitched up. About 40 to 60 feet above ground level the airplane stalled
and nose-dived toward the terrain. There was no evidence of premishap mechanical
malfunctions observed during the examination of the engine and airframe.
According to friends of the pilot, he could not hear the stall warning horn due
to a hearing impairment condition. The National Transportation Safety Board
determines the probable cause(s) of this accident as follows: the pilot's
failure to attain and maintain an adequate airspeed, which resulted in a stall.
===
Accident occurred Saturday, February 21, 2004 in
Yuba City, CA
Probable Cause Approval Date: 12/28/2004
Aircraft: Gillespie Sport Copter Vortex,
registration: N96XV
Injuries: 1 Fatal.
The gyrocopter collided with the ground in an
uncontrolled descent following a loss of engine power. This was the second test
flight for the gyrocopter. A witness reported that the gyrocopter flew overhead
at 50 feet, with the engine sputtering. It then entered a steep descent and
impacted a dry riverbed about 45 yards away. At the wreckage site, approximately
1/2 tank of fuel was present. No fuel was found in either of the two
carburetors. The blades of the pusher propeller, made of carbon fiber and foam
filled, were displaced from the gyrocopter and displayed cracks on the surfaces,
but were otherwise intact. The main rotor was bent downward and had impacted the
gear ring on the main drive shaft. The Rotax 582 engine contained oil and was
rotated. The tachometer time indicated a total engine operation time of 12.2
hours. Post accident inspection of the gyrocopter revealed that a vacuum line to
the pneumatic fuel pump, which is made of a soft and easily collapsible nylon
reinforced vinyl material, was kinked at a 45-degree angle at its attachment
fitting. The pilot had a total gyrocopter flight time of 11 hours and this was
the second test flight for this gyrocopter. The National Transportation Safety
Board determines the probable cause(s) of this accident as follows: a loss of
engine power due to the incorrect installation of the fuel line, which resulted
in fuel starvation, and the pilot's failure to maintain rotor RPM, which
resulted in an inflight loss of control. A factor to the accident was the
pilot's lack of experience flying gyrocopters.
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