Follow up the progress of the flight against flight movement messages, flight plan messages and position reports received.       Provide information on flight progress to the Carrier's ground handling representative.       Assist the flight as requested and/or deemed necessary to facilitate its safe and efficient conduct in accordance with the flight plan.       Monitor movement of the flight within VHF range and provide assistance, as necessary.       Take immediate and appropriate action in case of in-flight irregularity, according to the Carrier's instructions (written or verbal).       Log and notify as specified by the Carrier any incident of an operational nature (delays, diversions, engine trouble, etc.).       Perform in-flight assistance, including re-despatch