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nuckolls.bob(at)aeroelect
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 Posted: Sun Oct 27, 2013 7:30 am Post subject: Accident library addition |
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I was made aware of this incident involving a LA235 that
appeared to have suffered electrical system difficulties.
http://tinyurl.com/mwo3f4x
The NTSB said 'everything was working but the
battery was dead.' This engine seems to have
run out of fuel because transfer pumps were
deprived of power to bring fuel to a header
tank.
The documents are markedly devoid of a finding for
root cause. The narrative paints and image of an
owner/pilot who hasn't got a clue for the significance
of "anomalies" in system operation. The airplane
had been begging for help for perhaps two months
before the accident. His notion of making the
airplane flightworthy was to install a freshly
charged battery . . . that failed minutes after
takeoff.
His header tank must have been nearly dry at
takeoff which begs the question as to his use
of a checklist for verification if header tank
fuel and functionality of the transfer pumps
were working and the altrrnator was charging
the battery.
As near as we can tell, nothing was broken. No
parts had failed to do their intended task except
that a working alternator failed to charge a battery.
This accident has more to teach about the technical
skills and operational philosophy of the owner/operator
than about the design of an electrical system.
Bob . . .
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racerjerry
Joined: 15 Dec 2009
Posts: 202
Location: Deer Park, NY
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| Posted: Mon Oct 28, 2013 5:22 am Post subject: Re: Accident library addition |
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Simplicity does have its virtues, especially when things start going to hell.
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Jerry King |
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