Wednesday : Official says Bluefin will be able to go deeper ; another vehicle that can awaits its launch . Underwater vehicle will map ocean floor until 10 a.m . ET Wednesday , official says . On Tuesday , the Malaysian Cabinet agreed to set up an international investigation to look into the plane 's disappearance . Vehicle 's first attempt ended early after it exceeded its maximum dive depth . Meanwhile , scientists are trying to determine significance of cell signal and oil spill .
Wednesday : Official says Bluefin will be able to go deeper ; another vehicle that can awaits its launch . Underwater vehicle will map ocean floor until 10 a.m . ET Wednesday , official says . Vehicle 's first attempt ended early after it exceeded its maximum dive depth . Meanwhile , scientists are trying to determine significance of cell signal and oil spill .