Tracking websites detected the flight flying north on its scheduled route along the west coast before its flight path was no longer recorded

Several passenger plane crashes have occurred worldwide this year, including a Wednesday morning Azerbaijan Airlines wreck that has left dozens feared dead.

According to Azerbaijan Airlines, 37 passengers were Azerbaijani citizens. There were also 16 Russian nationals, six Kazakhstani and three Kyrgyzstani citizens.View on euronews

Azerbaijani authorities investigating last week's Azerbaijan Airlines crash in Kazakhstan are probing the "disturbing" possibility that Russian air traffic controllers may have directed the damaged plane out over the Caspian Sea,

A passenger jet operated by Azerbaijan Airlines crashed near the city of Aktau in Kazakhstan on Wednesday, after diverting from an area of southern Russia where Moscow has repeatedly used air defence systems against Ukrainian attack drones.