I sincerely hope that every pilot flying Airbuses have read this Air Caraïbe flight safety report.
Among the last ACARS messages are the PRIM1/SEC1 faults.
The Air Caraïbe and the Qantas flights tried to reset their master flight computer in the hope to regain the normal law for the rest of the flight (Qantas was advised by the ground maintenance/technical center).
Counting from the A/P and A/THR OFF event, the unreliable airspeeds events have never lasted more than 3mn. Taking an upper range duration of 3mn would give us ~02:13:30Z, which is the time when the PRIM1 and SEC1 fault appear, the plane was probably already loosing altitude rapidly (if we exclude the high dive scenario, with 20 000, 30 000 or 40 000 fpm vertical rates). We are sure that the airbrakes (if they were deployed before) were retracted at this moment. The other planes reset their PRIM only after they had stabilized the situation.
Jeff
