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Originally posted by Snappahead
Maybe they were dodging the UFO that's loitering around waiting for the 14th .
The aircraft was flying at FL 370 or 37, 000 feet with Autopilot and Auto-thrust system engaged, when an Inertial Reference System fault occurred within the Number-1 Air Data Inertial Reference Unit (ADIRU 1), which resulted in the Autopilot automatically disconnecting. From this moment, the crew flew the aircraft manually to the end of the flight, except for a short duration of a few seconds, when the Autopilot was reengaged. However, it is important to note that in fly by wire aircraft such as the Airbus, even when being flown with the Autopilot off, in normal operation, the aircrafts flight control computers will still command control surfaces to protect the aircraft from unsafe conditions such as a stall.
The faulty Air Data Inertial Reference Unit continued to feed erroneous and spike values for various aircraft parameters to the aircrafts Flight Control Primary Computers which led to several consequences including:
* false stall and overspeed warnings
* loss of attitude information on the Captain's Primary Flight Display
* several Electronic Centralised Aircraft Monitoring system warnings.
Originally posted by sir_chancealot
If a plane just "falls", the only thing that can happen is zero Gs. Everyone will become weightless. You won't be violently thrown to the ceiling (gravity doesn't take "longer" to pull you down than the plane itself). However, if the pilot put the plane into a negative G dive (for whatever reason) then people WOULD be thrown to the ceiling.
Investigators are considering the possibility that transmissions from the top-secret joint US-Australia naval base near Exmouth may have caused a Qantas aircraft to dive suddenly last month, seriously injuring a flight attendant and at least 13 passengers, the Australian Transport Safety Bureau said today.