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4th Jun 2009, 22:25

#16 (permalink)

What-ho Squiffy!

Join Date: Sep 2000

Location: Asia Pacific.

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Grunf, I think you are referring to the design criteria of a failure per 10^9 operational hours. You also mention probability. The probability of all three ADIRU's failing at once is more like 10^9*10^9*10^9!