the san sofia airlines plane take off just before dusk from the municipality of merida along taxi to benjamin bolivar regional airport and the major town of caracas . noel marquez , chairman of venezuela ' s flood services agent in compostela , said the plane has failed to contact control towers . civic defense chief general antonio rivero told newspapers that it is uncertainty whether or not the plane disappeared or is simply missing .
A plane with 46 passengers has not contacted control towers.