A FAIL case?
Machinbird,
The "Something Wicked" F117 (Vega 31) shot down during the Kosovo war can be considered as a result of a "control design fail"?
The intensity of the missile proximity fuse detonation made the system fail.
And what´s the threshold?
What´s the threshold of a WX condition to an a/c?
SThis discussion has another problem: The System faced an UAS (like other 37 cases since 2003). The System simply cannot afford loose some very basic inputs, like air speed.
We learned that Airbus SAS is working in (two?) solutions for this:
1) Use other references (during short period) to avoid System instabilities.
2) Use other methods for air speed measurement.
x)
Additional comment: "Complex Systems" force pilots to respect "Complex WX" using "simple methods": A diligently operated WX radar (scanning manually, at different antenna elevations) to better "characterize" what lies ahead.
PS2
On the evolution of a System look the page 13 of the A330 mfr at 2004:
"A total approach to dependability"
Last edited by Jetdriver; 19th May 2011 at 13:50.