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Old 18th May 2009, 13:27
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411A
 
Join Date: Mar 2000
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What about SAS, were means provided to switch it off should it be required?(although it would normally be active)
Yes, both channels could be disabled by unlatching the appropriate switchlights on the overhead panel.

727 was pretty straight fwd, stab was only for trimming.
Likewise for the DC10 and B747
The L1011 is unique with it's all-moving tailplane for pitch control on civil jet transport aircraft.
Also note that the L1011 has four hydraulic systems (same for 747) but unlike other first generation wide-body jet transports, which had only three.
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