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Helios Airways 522

Printed page 39. PDF page 51.

S100-080-00, Serial No. 01768. The CVR had four independent channels to record a minimum of 30 minutes of audio, including the Captain, First Officer and cockpit area sounds. The CVR was severely damaged by impact and the memory module had
Open final report at PDF page 51AAIASB 11/2006: Helios Airways HCY522

Helios Airways 522

Printed page 103. PDF page 115.

in all cases following a serious incident or accident after landing so that the last 30 minutes of communication are preserved. This should be included in the pilot's SOPs; and c) The Technical Log engineering responses or action taken should
Open final report at PDF page 115AAIASB 11/2006: Helios Airways HCY522

Helios Airways 522

Printed page 129. PDF page 141.

the flight crew or enter the flight deck. Data from the CVR only contained to the last 30 minutes of the accident flight and showed that at least one cabin crew member retained his consciousness for the duration of the
Open final report at PDF page 141AAIASB 11/2006: Helios Airways HCY522

Helios Airways 522

Printed page 157. PDF page 169.

ft, while the aircraft was at a cruise level of 34 000 ft (FL340). 7. The duration (30 minutes) of the CVR installed on the aircraft was insufficient to provide key information that would have clarified the chain of events
Open final report at PDF page 169AAIASB 11/2006: Helios Airways HCY522

Helios Airways 522

Printed page 57. PDF page 59.

synchronised and their duration was found to comply with the expected values: more than 30 minutes for tracks 1 to 3 and more than 2 hours for tracks 4 and 5. 1.11.2 Analysis of the flight recorder data h h
Open official document at PDF page 59Final Report: Accident on 1st June 2009 to the Airbus A330-203 registered F-GZCP operated by Air France flight AF 447

Helios Airways 522

Printed page 132. PDF page 134.

established when no communication has been received from the crew within a period of 30 minutes after the time a communication should have been received; Alert phase, alerfa: this phase is notably established following the uncertainty phase, when
Open official document at PDF page 134Final Report: Accident on 1st June 2009 to the Airbus A330-203 registered F-GZCP operated by Air France flight AF 447