PPRuNe Forums - View Single Post - Air Asia Indonesia Lost Contact from Surabaya to Singapore
Old 23rd Jan 2015, 15:40
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McWho
 
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Is it correct on an A320 that you only have 2 ELACs and 3 SECs? Which set contains the normal law intelligence?

There is a comment on another forum that uncommanded rudder is suspected. But even if the rudder was at full deflection could this not be counteracted and control maintained through engine power and aileron input?

Just a speculation then from information I have read about the flight computers, if there were multiple sensor failures, say the pitots iced up, you might expect automatic computer failover and ELAC 1 would fail over to ELAC 2, if there was a fault with ELAC 2 as has been suggested may be a possibility with the maintenance log, would you then be left with 3 SEC computers which have no aileron authority?
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