August 2005 saw one of the worst Greek Aviation accidents to date. Helios Flight 522 departed towards Athens but would never make its destination all from one small, yet fatal mistake.   Source - https://simpleflying.com/helios-airways-flight-522/ https://www.faa.gov/sites/faa.gov/files/2022-11/Helios737_AccidentReport.pdf https://www.theguardian.com/world/2020/sep/19/in-2005-helios-flight-522-crashed-into-a-greek-hillside-was-it-because-one-man-forgot-to-flip-a-switch https://web.archive.org/web/20160304025024/http://famagusta-gazette.com/helios-crash-background-information-p237-69.htm https://greekherald.com.au/culture/ghost-flight-121-lives-lost-2005-helios-airways-crash/ Youtube – “Helios Flight 522: How a Single Switch Killed 121 Passengers” – Real Horror