![]() The cabin crew had reported in the cabin defect log that the right rear service door seal was frozen, and loud bangs were heard during the flight. The Boeing 737 had returned the previous evening from London Heathrow. The aircraft, a Boeing 737, collided with a mountain at 09:04 UTC on that day, near Grammatiko, 40 km north of Athens, while on approach to Athens airport capital. Helios Airways flight 522 was planned to depart from Larnaca in Cyprus on 14th August 2005. Andreas and Haris were planning to get married. On August 14, 2005, Helios Airways Flight 522 covered the route between Larnaca International Airport, and Ruzyn International Airport, with a stopover in Athens. His parents felt he was overqualified for the job, but he decided to work as cabin crew whilst training for his dream job as a pilot. He had studied in the UK for his pilot's license and was a keen scuba diver. Andreas was also called out just before the flight and agreed to fly as his girlfriend, Haris, was working onboard. Louisa was making plans for her marriage the next month and had been called in last minute to cover for a sick colleague. Helios Airways Flight 522 was a scheduled passenger flight from Larnaca, Cyprus to Prague, Czech Republic, with a stopover to Athens, Greece, that crashed on 14 August 2005, killing all 121 passengers and crew on board. There were four cabin crew that day, including Chief Cabin Crew Louisa Vouteri, Andreas Prodromou and Haris Charalambous. The engineer carried out an inspection and performed a pressurization system check and was satisfied the aircraft was ready to fly. Okay, flight 522 didn't rapidly depressurise, it was never pressurised in the first place.Helios Airways flight 522 was planned to depart from Larnaca in Cyprus on 14th August 2005. ![]() The passenger oxygen masks deployed automatically. The cabin altitude warning horn sounded and the cabin altitude went up rapidly. On 16 December 2004, Helios Airways flight HCY 535 was en route from Warsaw, Poland, to Larnaca, Cyprus, cruising at F元50 at position EVENO, just prior to the top of descent to Larnaca, when the aircraft experienced a rapid decompression. I also read the following in the accident report, page 102 (obviously this is referring to another earlier incident that took place on the accident plane): Why is Alan, a competent ground engineer who by all accounts seems to be very well-trusted, well-like and without incident throughout his career, saying that he thinks Helios Flight 522 crashed because 'the system that controlled the outflow valve failed'? Buy AIR CRASH INVESTIGATIONS: The Crash of Helios Airways Flight 522 by Griffioen, Hans online on Amazon.ae at best prices. (2005) The crash of Helios Airways Flight 522 - The cabin of a Boeing fails to pressurize, incapacitating the passengers and crew. On a 737-31S, does the flight data recorder have a datapoint for the position of the pressurization mode selector? Cam we say with certainty that this plane DID NOT take off with the pressurisation mode selector in AUTO? Lost Souls of Grammatiko: The crash of Helios Airways Flight 522 - revisited. So, according to the accident report, there is proof from the NVM recording that the switch was in manual BEFORE the flight crashed. The NVM recording showed that on the accident flight, the cabin pressure control system was being operated in the manual mode. So Alan is saying "hey, I left that switch in AUTO, and it was knocked to manual on the impact of the crash."īut, in page 66 of the Helios Flight 522 accident investigation report, it states that: But, of course, there was no proof either way." "Irwin’s explanation for the crash is that the system that controlled the outflow valve failed. "Except that it was not left in manual, says Irwin, who argues that investigators had not accounted for the distorting effects of impact." Alan Irwin, the ground engineer who was performed the pressurisation leak check before Flight 522 took off says that he in fact DID leave the switch in AUTO. ![]() This resulted in rapid onset hypoxia, which incapacitated the pilots leading to the crash. The scheduled Helios Airways passenger flight that crashed into Gramatiko hill (Greece) on 14 August 2005 at 12:04pm EEST A lack of. The pilots missed the pressurisation mode selector being set to manual in pre-flight and take off checks, and then did not recognise and/or react appropriately the horn that went off in the cockpit. This is what happened to Helios Airways Flight 522. I'm many hours in at this point and most of it so far has made sense. Full disclosure, this is a journalistic piece, and I'm not an aviation expert. I'm currently doing a write up on the Helios Flight 522 disaster.
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