曝光台 注意防骗
网曝天猫店富美金盛家居专营店坑蒙拐骗欺诈消费者
the west. Pilots need to remember to bring appropriate
clothing (i.e. a warm jacket) to ensure that a cold weather
walk-around does not become a run-around.
CCAALLLLBBAACCKK From NASA's Aviation Safety Reporting System
Number 300 September 2004
A Monthly Safety Bulletin
from
The Office of the NASA
Aviation Safety Reporting
System,
P.O. Box 189,
Moffett Field, CA
94035-0189
http://asrs.arc.nasa.gov/
ASRS Recently Issued Alerts On… August 2004 Report Intake
Air Carrier / Air Taxi Pilots 2287
General Aviation Pilots 814
Controllers 77
Cabin/Mechanics/Military/Other 186
TOTAL 3364
“Don’t Fence Me In”
Extra caution was required when these two “...cowpokes
went riding out one dark and windy day.” Perhaps they
figured only tinhorns make errors in judgement. Fact is,
we all can make mistakes. So, stay alert — unless you
want to be out in the cold mending fences.
■ We were asked if we would like to reposition to a spot
closer to a passenger pickup point. I agreed to do so. We
elected to air taxi instead of ground taxi. The wind was off
the nose...at 20 knots gusting to 30 knots. During the
reposition, we both felt a buffeting of the helicopter,
followed by a command from the heliport to “move up.” We
landed and found that the tail rotor had impacted the top
bar of a chain link fence at the perimeter of the heliport
landing area. This occurred at night, with gusting winds,
in a confined area that was known to both pilots. Both
pilots were fully qualified, highly experienced, and had
elected to air taxi to the new spot. I believe that...the
gusting wind, contributed to a backward drift of the
aircraft that neither pilot perceived until radioed by the
heliport operator.... The helicopter had four tail rotor
blades replaced....
“The Buckin’ Bronco”
■ I had completed a preflight of the helicopter four hours
earlier and did notice that the rear rotor blade was tied
down. I connected the battery cart to the aircraft and got
in. I cranked [the engine] while monitoring the gauges and
occasionally looking outside. At 50-55% N1 the cyclic
moved forward and to the right, the helicopter
simultaneously started shaking violently. I shut the engine
down. This whole sequence occurred within about 40
seconds.... The main rotor blade was tied down and had
broken about three feet from the tip. That was the cause of
the violent shaking.
“High on a Hilltop”
Check the rig and cinch up the gear,
Before you mosey down the line,
Or you might be put out to pasture,
A little bit before your time.
■ Approximately six miles northwest of the airport, we
heard a “thunk.” I looked into the mirror and saw that the
starboard engine cowling was loose. I immediately made
an emergency landing on a hilltop in a horse pasture....
Upon shutdown, I could see that the lower third of the
cowling had been torn away and that the rotor blades had
been scratched near the blade root. There was no evidence
of any contact or damage to the tail.... [and] no evidence of
foreign object ingestion into the engine.
When we had [engaged] the starter, nothing happened. We
ran through the procedure again and once more it didn’t
crank. I...then remembered that there is a micro-switch on
the rotor brake that will not let the starter engage if the
rotor brake is on.... It occasionally sticks. I took the plastic
end of a screwdriver and tapped the switch then lowered
the cowling without latching it because I wasn’t planning
to start. I just wanted to tap the starter switch to see if it
would engage. It did.... I forgot that I had left [the cowling]
unlatched. I broke a fundamental rule of mine, which is to
always walk around the aircraft just before getting in to
check obvious things such as latches, fuel cap, tie-downs,
covers, and rotor blade conditions.
As of this writing, the helicopter is still on the hilltop.
“(Not So) Lonesome Cattle Call”
When you’re out rounding up strays, keep an eye out for
Tractors, Cats, Thrushes, and even Pawnees. That duster
on the trail can ruin your whole day.
■ We were hovering at approximately 10 feet, between 30-
foot tall trees, looking for cattle. We were completely
surprised when a crop duster appeared and circled
approximately 200 feet above us as he prepared to begin
his spray run in the cotton field adjoining the pasture we
were in. It seemed as though he was just as surprised as
we were. He immediately began his runs on the field and
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