Re: F-22 Raptor software problem



On Feb 26, 6:55 pm, "peter koch" <peter.koch.lar...@xxxxxxxxx> wrote:
On 26 Feb., 05:47, Hyman Rosen <hyro...@xxxxxxxx> wrote:

It's being reported (Slashdot, via CNN) that twelve of these
planes had their navigation and communications completely shut
down as they crossed the international date line while flying
from Hawaii to Japan. I believe much of the plane's software
is in Ada, but I have no details as to what caused the error.

It surprises me that the software had problems dealing with this
problem in the first place. Why anyone uses "calender time" for
anything but display purposes is simply beyond my comprehension.

/Peter

I vaguely remember years ago reading that the original F-16 flight
control software flipped the plane inverted when flown into the
southern hemisphere. However, this was caught in a simulator before
the software was ever flown. History repeats itself (sort of...).

.



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