What is the flight tracking technology?

After several days of searching for a missing Malaysian plane that still has no results, many people ask, what technology does the airline use to track flights?

Information posted on WSJ said that, usually, airline airlines have coordinators and aircraft operation control centers, they often contact pilots through data links or contact information. Voice communication via satellite connection.

In case of major technical incidents or other incidents on the aircraft without requiring an emergency landing, the crew in the cockpit may contact these experts for advice.

On many aircraft, certain data on operation and maintenance will be automatically transferred to the underground facility.