Old 5th Jan 2011, 18:48
  #86 (permalink)  
Join Date: Mar 2010
Location: Sweden
Age: 82
Posts: 67
BUSS option

Over a year ago Airbus offered the airlines to buy an extension to their software that would help the pilots in situations where airspeed were unreliable. The software add-on was called BUSS. BackuUP Speed Scale, that replaces the pitch and thrust table. BUSS is said to be optional on A320, A330 and A340 but included in the basic software for A380 as part of the ADR monitoring functions.
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