deep. if the jetliner went down in this remote part of the indian ocean and if any debris is found, it may no the be anywhere near the possible crash site beneath the surface. that's because things move very fast on the ocean surface. median ocean current feet is about a foot per second. an object moves about 16 miles a day. this plane has been missing for two weeks. so any potential debris could have traveled 224 miles in any direction. that was an issue in the last major aviation investigation of this type, air france flight 447 which crashed off the coast of brazil in 2009. investigators found debris from that flight five days after it vanished from radar about 30 miles away from the point of impact. it only took five days to find floating debris from flight 447 but it took another two years to find the main crash site on the ocean floor. the search for that air france flooigt is any indication, the