Re: Mystery over 1992 El-Al crash

Date:         07 Dec 98 23:19:16 
From: (Filip De Vos)
Organization: University of Ghent, Belgium
References:   1 2 3
Followups:    1
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John Wright ( wrote:
: When I was briefly associated with British Airways in the field of
: radiation protection*, the only aircraft that I was aware of in the BA
: fleet that used depleted uranium mass balance weights was the L-1011.
: BA's fleet at the time included the -100 -200 and -400 versions of the
: Boeing 747, not to mention 737-200, 737-400, 757, and 767 amongst a host
: of others.

: Mass balance weights are used to increase the flutter speed of an

A recent article about the 747 in Airways (I think, I don't have it with
me) mentionjed the use of depleted uranium in the _cowling orengine lining
of the JTD9. The jumbo was plagued by lotsof engine trouble in hte early
years, including _ovalisation of the engine. The use of Uranium was to
combat the 'unround situation'. I do not know if that is still the case.

: aircraft's flying controls, and as such must be matched to the control.
: This occasionally requires machining and other operations on them and if
: they are depleted uranium special facilities must be provided so this
: can be done safely.

I think it would be relevant to mention the version of 747 that crashed. I
think it was a converted older model.

      Filip De Vos              

          There are plenty of ways to empty a solar system.
                       --   John S. Lewis   --