Though it moves slowly , it creates good images -- so good that they are `` almost a picture of what 's there ... Images of the ocean floor will move from ground radar to sonar . The Bluefin-21 is equipped with side - scan sonar . And once the debris field is found , investigators would turn to remotely operated vehicles . An intact vehicle would complicate the search process , CNN also says .
Images of the ocean floor will move from ground radar to sonar . The Bluefin-21 is equipped with side - scan sonar . And once the debris field is found , investigators would turn to remotely operated vehicles . An intact vehicle would complicate the search process , CNN also says .