Aero Flight 217
Aero Flight 217 was a domestic passenger flight from Helsinki, Finland, to Mariehamn in the autonomous territory of Åland, operated by the Finnish flag carrier Aero O/Y (now Finnair). On 8 November 1963, the aircraft serving the flight crashed in poor visibility while attempting to land on a non-precision approach at Mariehamn Airport in the municipality of Jomala, resulting in the deaths of 22 people out of 25 on board.