Wed, Apr 27, 2005
ANN has received a note
from CASA (The Civil Aviation Safety Authority) that bears reading
by pilots all over the world. Pilots flying at low levels have been
given a fresh warning to watch out for powerlines. This follows a
number of recent accidents where aircraft have struck powerlines
while engaged in aerial agriculture operations.
Late last year a Bell 206 helicopter struck powerlines during a
locust spraying operation in NSW, killing the pilot and one of two
passengers. The Civil Aviation Safety Authority says around 25 per
cent of all low flying accidents involve a collision with
wires.
In 2004, there was a total of seven wire strike accidents
involving helicopters across Australia.
CASA is telling pilots there are simple steps that can be taken
during all low level flying to minimise the risk of hitting
powerlines. The advice is published in the latest edition of
CASA’s flagship safety publication, Flight Safety Australia
magazine.
Pilots are told flying
at low levels should be planned in simple blocks of information
that can be easily remembered and that avoid information overload.
Plans should be followed closely unless there is a good reason that
does not jeopardise safety. “In about 70 per cent of wire
accidents, the pilot already knew about the wire,” the Flight
Safety Australia article says.
“Either the pilot forgot about the wire or misjudged
it.
“Some pilots repeat, almost as a mantra, ‘watch the
wires, watch the wires’, in high-risk areas. It may sound
over the top, but it works.
“The bottom line is to do everything you can to make sure
you know where the wires are. And that includes using your crew to
keep a good look out.
“Every wire should be seen as a potential
hazard.”
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