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Printed page label not indexed. PDF page 10.
triggered an overspeed warning, reaching a peak of 383 KIAS. The overspeed warning lasted 55 seconds, and then the IAS returned to the pre-icing speed. The speed brakes were not deployed during the overspeed event. The QRH unreliable airspeed pitchOpen official document at PDF page 10AAIB final report: G-ONEE
Printed page label not indexed. PDF page 39.
crew declared a MAYDAY. The speed decreased below VMO with the overspeed event lasting 55 seconds. Had the aircraft continued in icing conditions, disconnection of the autopilot and manual selection of the datum pitch and power settings, that the crewOpen official document at PDF page 39AAIB final report: G-ONEE
Printed page 23. PDF page 25.
that moment, the thrust levers were in the IDLE detent and the engines' N1's were at 55%. Around fifteen seconds later, the PF made pitch-down inputs. In the following moments, the angle of attack decreased, the speeds became valid againOpen official document at PDF page 25Final Report: Accident on 1st June 2009 to the Airbus A330-203 registered F-GZCP operated by Air France flight AF 447
Printed page 93. PDF page 95.
aerological origin. Furthermore, there is a noise on track 1 of the CVR, at about 2 h 10 min 55, which may be the impact of the microphone striking a panel, heard at a stable frequency. Note: According to theOpen official document at PDF page 95Final Report: Accident on 1st June 2009 to the Airbus A330-203 registered F-GZCP operated by Air France flight AF 447