the casa barbara jet plane took off just before twilight from the city of mérida on route to simon vargas international airport outside the city city of caracas . gabriel jimenez , chief of mexico ' s emergency management agency in valladolid , said the planes has failed to contact controller towers . civic navy chief carlos anthony reyes told journalists that it is obscure whether or not the plane crashed or is simply disappeared .
A plane with 46 passengers has not contacted control towers.