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Transcript of Helios 522
Pressurization test --> mode to "manual"
Logbook stated "airplane back to its initial condition"
Mode was still on "manual"
Crew did not notice pressurization was set to "manual"
FO had a bad history with checklists
Auto-checklisting ("look without seeing")
"manual" --> GREEN light
Take-off / Climb
After TO checklist
Verify pressurization setting --> not done
Cabin altitude warning (FL120)
A/T disengaged, throttle retarded for 9 seconds, then re-engaged
Captain calls Helios Ops (FL160)
Total of 3 engineers speak to the captain but they are not able to identify the problem
Unnecessary transfer between engineers
Common audio alert (ground config warning)
Master Caution light (FL170)
Due to decreased density --> insufficient cooling
Visual warning, not cancelled for 53 seconds
PAX Oxygen masks
Visual warning, not noticed by Flight crew
Flight crew hypoxia
No cabin crew action
No additional warning if visual warning is not cancelled
Blame after investigation
not spotting (or acting accordingly) the warnings
"deficiencies in the organization, quality management and safety culture"
"ineffectiveness of measures taken in response to previous pressurization incidents in the particular type of aircraft"
"inadequate execution of its safety oversight responsibilities"
Detailed maintenance report
State of aircraft before and after
Captain pressure on FO, FOs records
Green light & common sound
Warn when failed to cancel
Cabin crew training
No level off/descent after Pax masks
Language & Intercommunication
Food for thought
Closed cockpit policy
Rod Eddington (BA Chief Executive)
"We will not be locking the door because it does not make sense ... Locking the door would cause more safety problems than it would solve."
No more communication
Entered holding pattern KEA VOR
Intercepted by F16s
Person spotted in captain seat
Left engine flame out
2 Mayday messages recorded on CVR
Right engine flame out