Re: 747 forced ocean landings -- survival odds

From: (Alvin Law)
Organization: Oracle Corporation, Redwood Shores, CA
Date:         12 Jan 95 01:56:05 
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In article <airliners.1995.9@ohare.Chicago.COM> (Sean Namazi) writes:
> In article <airliners.1994.1794@ohare.Chicago.COM> Albert Thomas Bozzo <> writes:

> >a JAL DC-8 landed well short (miles) of SFO ... The aircraft was extracted 
> >from the mud, found to be in good condition despite over two days of salt 
> >water immersion, and was repaired and returned to service, as I recall.

> It was my understanding that The China Air 747-400 which ran out of 
> runway in Hong Kong (Kaitak?) and ended in the bay was declared 
> totalled due to immersion in salt water, despite being in very good 
> shape otherwise.  So my question is: what was really different in 
> the case of the JAL incident at SFO?  Also, what are the deciding
> factors in such cases?

To quickly answer your question, the water in Victoria Harbour is very
different than the water in the San Francisco Bay; it's much dirtier.
With all four engines already submerged in the dirty sea water for a
few days, I think it is a smart move to write off the whole plane.

| Alvin Law .. Project Leader, Applications Division ... Oracle Corporation |
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