Helios Airways Flight 522 Crash (5B-DBY)

Flight Details and Initial AnomaliesOn 14 August 2005, a Boeing 737-300 with registration 5B-DBY, operated by Helios Airways, departed Larnaca, Cyprus, at 06:07 for Prague, Czech Republic, via Athens, Greece. The aircraft was cleared to climb to flight level 340. During the climb through 16,000 feet, the Captain reported a take-off configuration warning and an equipment cooling system problem to the company Operations Centre. Communications regarding these issues continued until the aircraft climbed through 28,900 feet, after which the aircraft stopped responding to radio calls. At 18,200 feet, the passenger oxygen masks deployed in the cabin. The aircraft leveled off at flight level 340 and continued on its programmed route.