Airways Flight 522

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For this case analysis, I’ve chosen to research the crash of Helios Airways Flight 522, a Boeing 737-300 that occurred on 14 August 2005. Prior to the doomed flight, the ground engineer performed a routine inspection but failed to reset the cabin pressurization system of the aircraft from “Manual” to “Auto”. The flight crew of Helios 522 failed to notice the oversight despite having three opportunities to correct the mistake: the pre-flight check, the after engine start check, and the after takeoff check. During initial climb out, the flight crew was alerted to a malfunction, but mistook several caution alarms for minor takeoff configuration warnings. Before they could determine the cause and correct the issue, the pilot, crew, and passengers …show more content…

These warning lights would indicate problems with take-off configuration or pressurization. (14 CFR Part 39) Another action that improved due to the Helios crash is checklist procedures due to the flight crew’s failure to properly complete the three checklists that would have prevented this accident. My recommendation to prevent this type of accident in the future would be to revise checklist procedures for both ground and flight crews with quality assurance checks to ensure that all proper procedures are followed and the use of specific Crew Resource Management Clusters #3 Workload Management and Situation Awareness, subset a. Preparation/Planning/Vigilance, Behavior factors: (1), (2), (4) & (7) and subset b. Workload Distributed/Distractions Avoided, Behavior factors: (1), (2),(3), (5), (6) & (7). Crew Resource Management training for both the ground and flight crews is essential to flight safety. This accident illustrates what I’ve heard pilots articulate about flight safety. When a maintainer screws up, it’s not his life that’s on the line it’s the pilot and crew but when a pilot screws up it can cost him and his crew their

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