PPRuNe Forums - View Single Post - Air Asia Indonesia Lost Contact from Surabaya to Singapore
Old 31st Dec 2014, 21:21
  #793 (permalink)  
Vilters
 
Join Date: Sep 2011
Location: Belgium
Age: 64
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Automatic recovery from stall/spin/departures

Automatic recovery from stall/spin/departures, is already operational in some airplanes, sometimes coupled with automatic ground avoidance.

But? All depends on the sensors.

If the sensors, pitot tubes and/or AOA vanes are partially or comletely frozen up or contaminated? => No automatic system can work when it gets the wrong information.

Modern computers can do a lot but garbage in, garbage out.

The weak link is "the sensors" that are out in the open.

Multiple accidents happened by faulty or not working sensors.

- pitot tubes frozen or FOD contaminated
- static ports frozen or FOD contaminated
- AOA probes and or vanes frozen or FOD contaminated

- Yes even probes that where taped over when washing the airframes and the A/C went flying with the tapes still over the probes => crash

The computes can do the work, the softwares are there, but the probes are the weak link.
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