- Date
- 14 August 2005 ( 2005-08-14 )
- Summary
- Poor situational awareness due to a dual purpose warning sound horn design flaw and maintenance error, causing eventual crew incapacitation due to loss of pressurization , leading to fuel exhaustion and crash
- Aircraft type
- Boeing 737-31S
- Aircraft name
- Olympia
- Operator
- Helios Airways
- Iata flight no
- ZU522
- Icao flight no
- HCY522
- Call sign
- HELIOS 522
- Registration
- 5B-DBY
- Flight origin
- Larnaca International Airport , Cyprus
- Stopover
- Athens International Airport , Greece
- Destination