Brit Ship 'Echo' Arrives To Hunt Missing Jet's Black Box

wochit news
April 06, 2014 AT 11:21 AM
A British Navy survey ship arrived Sunday at the spot in the Indian Ocean where a Chinese vessel detected pulse signals Friday and Saturday that could be from the black box of the missing Malaysia Airlines jet. The Australian Navy's Ocean Shield, which is carrying high-tech sound detectors from the U.S. Black boxes emit pings so that they can be easily found — but the batteries drain in about a month. The pinger itself is continuous, it’s not intermittent.