![]() X Regulatory Authority’s diachronic inadequate execution of its safety oversight X Operator’s deficiencies in the organization, quality management, and safety culture. X Incapacitation of the flight crew due to hypoxia, resulting in the continuation of theįlight via the flight management computer and the autopilot, depletion of the fuel andĮngine flameout, and the impact of the aircraft with the ground. (Cabin Altitude Warning Horn, Passenger Oxygen Masks Deployment indication, X Non-identification of the warnings and the reasons for the activation of the warnings (manual) position during the performance of the Preflight procedure, the Before StartĬhecklist and the After Takeoff checklist. X Non-recognition that the cabin pressurization mode selector was in the MAN Practices and determined that the accident resulted from direct and latent causes. Ministry of Transport & Communications investigated the accident following ICAO The Air Accident Investigation and Aviation Safety Board (AAIASB) of the Hellenic The 115 passengers and 6 crew members on board were fatally injured. Grammatiko village, Hellas, approximately 33 km northwest of the Athens InternationalĪirport. TheĪircraft continued descending rapidly and impacted hilly terrain at 09:03 h in the vicinity of Two MAYDAY messages were recorded on the CVR.Īt 09:00 h, the right engine also flamed out at an altitude of approximately 7 100 ft. Left engine flamed out due to fuel depletion and the aircraft started descending. ![]() The F-16 pilot tried to attract his attention without success. Reported a person not wearing an oxygen mask entering the cockpit and occupying theĬaptain’s seat. No externalĭamage or fire was noted and the aircraft was not responding to radio calls. Motionless passengers were seen seated wearing oxygen masks in the cabin. Was slumped over the controls, the passenger oxygen masks were seen dangling and three ![]() That the Captain’s seat was vacant, the First Officer’s seat was occupied by someone who One of the F-16 pilots observed the aircraft at close range and reported at 08:32 h Sixth holding pattern, the Boeing 737 was intercepted by two F-16 aircraft of the HellenicĪir Force. The aircraft leveled off at F元40 and continued on its programmedĪt 07:21 h, the aircraft flew over the KEA VOR, then over the Athens International Airport,Īnd subsequently entered the KEA VOR holding pattern at 07:38 h. During the climb, at an aircraft altitude of 18 200 ft, the passenger oxygen masksĭeployed in the cabin. Thereafter, there was no response to radio calls to theĪircraft. Several communications between the Captain and the OperationsĬentre took place in the next eight minutes concerning the above problems and ended as theĪircraft climbed through 28 900 ft. Operations Centre and reported a Take-off Configuration Warning and an EquipmentĬooling system problem. As the aircraft climbed through 16 000 ft, the Captain contacted the company The aircraft was cleared to climb to F元40 and to proceed direct to RDS Helios Airways, departed Larnaca, Cyprus at 06:07 h for Prague, Czech Republic, viaĪthens, Hellas. On 14 August 2005, a Boeing 737-300 aircraft, registration number 5B-DBY, operated by TheįDR time was used as the master time in this ![]() Showed differences of less than 12 seconds. Correlation of the times used in the radar and radioĬommunication recordings, and the FDR and CVR Time (UTC) (Local time in Hellas was UTC + 3 h)Ģ. All times in the report are Coordinated Universal PLACE OF ACCIDENT : Hilly terrain in the vicinity of Grammatiko village,Īpproximately 33 km northwest of Athens InternationalĭATE AND TIME : 14 AUGUST 2005 - 09:03:32 h VOR Very High Frequency Omnidirectional Radio Rangeġ OPERATOR : HELIOS AIRWAYS OWNER : DEUTSCHE STRUCTURED FINANCE & LEASING GMBH & CO MANUFACTURER : BOEING CO AIRCRAFT TYPE : B 737 – 31S NATIONALITY : CYPRUS REGISTRATION : 5B-DBY PALLAS Phased Automation of the Hellenic ACC System NTSB National Transportation Safety Board (Accident Investigation Authority in ![]() LBA Luftfahrt-Bundesamt (Civil Aviation Authority in Germany) ICAO International Civil Aviation Organization The Accident Investigation and Aviation Safety BoardĪAIB Air Accident Investigation Board (in the United Kingdom)ĪFTN Aeronautical Fixed Telecommunication NetworkĪ/IR Class A – Instrument Rating (pilot license)ĬAVOK Ceiling and visibility OK (No clouds and unlimited visibility) The sole objective of the investigation is the prevention of similar accidents The accident investigation was carried out by the Accident Investigation andĪviation Safety Board in accordance with: HELLENIC REPUBLIC MINISTRY OF TRANSPORT & COMMUNICATIONS AIR ACCIDENT INVESTIGATION & AVIATION SAFETY BOARD (AAIASB) AIRCRAFT ACCIDENT REPORT HELIOS AIRWAYS FLIGHT HCY BOEING 737-31S AT GRAMMATIKO, HELLAS ON 14 AUGUST 2005 11 / 2006Īccident of the a/c 5B-DBY of Helios Airways,ģ3 km Northwest Of Athens International Airport ![]()
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