CNN The Situation Room April 8, 2014 22:28:00
Compatible with dragging the towed pinger locator through the water. the t.p.l. has to be constantly moving so it doesn't drop to the bottom, but the bluefin to deploy it and bring it back, you have to stop the ship and lower it into the water, then you have to stay nearby the bluefin so you don't completely lose contact with it, so you really have to stop using the t.p.l. before you move to the bluefin operations. >> assuming the pings were the real thing and assuming the batteries die out, they haven't found the black boxes, haven't found debris, they are basically still searching for a rela...
Source: archive.org