Apr 15, 2014 10:48 PM by Rob Quirk

Blue-Fin 21 back in the water.

Blue-Fin 21, the U.S. Navy autonomous underwater vehicle, has returned to the waters of the Indian Ocean. Today's search for the missing Malaysian airliner, comes a day after it's mission was aborted because it exceeded it's depth range.

The submersible is capable of a 16 hour run, about 100 feet above the ocean floor, scanning for any unusual objects. The submersible was brought back up to the Ocean Shield, and data from the initial six hour search, was downloaded, but came up empty.

Naval experts are operating the device, and re-scanning again in 15 square  mile segments in hopes of locating some pieces of the aircraft, with 239 people on board, that has been missing for more than a month now, after takeoff from Kuala Lampur, headed to Beijing, China.

If they find anything on the ocean floor, the next step is figuring out a way to extract the black boxes from the aircraft so flight data and flight recorder information can be analyzed.



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