These airlines will have a black box with an emergency signal that can last longer . This kind of black box would send a signal of subsurface water for at least 90 days . Duration is three times longer than the black box flight MH370 undiscovered .
However , the black - box system updates that mandated the U.S. and European regulators - could not help searchers find MH370 , which could signal completely lost on Monday. Aircraft black box signals that Malaysia Airlines will disappear after 30 days term viability .
In the southern Indian Ocean , the search for the Boeing 777 aircraft debris was becoming intense . One fact that can make our breast stroke : Opportunities to find a black - box and user - plane loss would be even greater if only the regulators and the aviation industry to move faster in updating the emergency location tracking system .
The push system updates appear after a fatal crash of Air France Flight 447 plane . The plane crashed in the Atlantic in 2009 . The incidence of poaching two years will push the flight data recorder and cockpit . In 2011 , the U.S. Federal Aviation Administration and European Aviation Safety Agency requires " pinger " or sender emergency signal on the black box must live at least 90 days after the plane hit the water . Requirements that came into force about a year from now .
The updated device was still being tested . New black box will begin shipping this year , according to Chuck Schofield . He is vice president of business development unit of Radiant Power Corp., a Florida company that supplies emergency signal transmitter black box . Radiant is a subsidiary of Heico Corp. supplier of device space .
" Providing reliable products that are more durable and can increase the chance of finding the" black box in the future , said Schofield .
Air France incident emphasized the time necessary to find the black box . This device is very important , as it provides the data flight commands , voices in the cockpit , as well as the aircraft maneuvers . However , the discovery of the black box does not mean the search is complete . In the case of Air France black box found turned out regardless of the memory data storage unit . The new storage unit was found some time later . Data was successfully investigated .
Now , a search team in Australian waters race against time in order to find the location of the last black box , before the deadline runs out lithium battery life . British submarine , HMS Tireless , this week joined in the search . Support vessel Ocean Shield naval duty track pinger Australia . Faint signal could only be detected within a radius of about 1,600 meters .
Weighing less than 225 grams , pinger designed to remain intact and can send a signal from underwater as deep as 6,000 meters , far deeper than the search location MH370 .
A British submarine joined the air search missions Malaysia Airlines MH370 in the southern Indian Ocean . Deployment of submarines signaled the search team is preparing to explore the ocean floor to find the black box , although the aircraft debris not visible too .
The deployment of the submarine HMS Tireless strengthen multinational will search the Boeing 777-200 . So far , the search for debris in the southern Indian Ocean relies on a combination of satellite and radar data . Nine military planes and nine military ships to explore the waters along 1,500 kilometers northwest of Perth , Western Australia's capital city on Wednesday .
According to Australian officials , the search area is by far the best guess would be the best location . Still, they did not rule out the possibility had been searching in the wrong area . Australian officials estimate the battery life of the transmitter in the black box less than a week , before eventually stops sending signals . With that signal , the search team could more easily locate the position of the black box below the water surface
The rest of the increasingly short time , and officials have appealed for more help . Ministry of Defence to send HMS Echo search area . The military survey vessel could map the depth of the sea . Earlier this week , Malaysian Defense Minister Hishamuddin Hussein said they would ask for special help from the United States ( U.S. ) and Asean . Help a powerful tool that can search for objects to well below sea level .
An Australian military vessel named Ocean Shield carrying location tracking black box belonging to the U.S. Navy . The instrument can detect the signal recording plane was departing Perth to the search area Monday night . Previously , the instruments have been through some trials .
Ocean Shield , vessel designed to withstand the weather in Antarctica , is expected to arrive at the search location on April 5. That is , a search team only had about two days to find the black boxes at depths of approximately 2,000 to 4,000 meters below sea level .
Malaysian police chief on Wednesday sought to dampen expectations of a quick and thorough investigation into the cause of the loss of the aircraft. However , he asked all remain patient , until investigators questioned several people.
" Please give us more time , " said Inspector General of Police Khalid Abu Bakar told journalists . " We even do not know the real cause of this incident . "
Former Australian military commander who led Malaysia Airlines MH370 flight search said the wreckage would be found in the near future . They have not completely sure has been in the right location search .
" We're not sure start [ search ] in the right place , " said Marshal Angus Houston in the meeting of the Joint Coordination Center . Previous search team combing the southern Indian Ocean as the depletion of battery life black kitak signal plane .
" We do not know the altitude of the aircraft. We do not know of a source other than the cruising speed that gives the alleged speed . Very scientifically inaccurate , " he said . According to him , the plane wearing less fuel while at altitude . So , if the airplane at 40 thousand feet , the home range is higher than the lower levels .
Investigators sure MH370 Malaysia fell in the southern Indian Ocean when running out of fuel molar . The entire crew and passengers , amounting to 239 people presumed dead .
Entering the fourth week after missing from the radar , search Boeing 777-200 type aircraft rely on satellite imagery and aerial photographs a number of objects that were not related to the aircraft . Search ships just find rubbish washed downstream waters .
" This is the most challenging search operation I have ever tasted , " said Marshal Houston . " This is not a problem that will be solved in the next two weeks . "
The authorities take into account the plane's black box signals will die in less than a week .
Marshal Houston said the discovery of the wreckage will be a milestone in the search early in order to allow hunting in the water by using more advanced technology . If not , the search will take many years .
He took the example of an Air France Airbus A330 that crashed in the Atlantic Ocean in 2009 . It took two years for the team to lift penyeldik records cockpit conversations despite the wreckage has been found in a few days .
" To be sure , if you do not find anything in the sea level , we probably will next review the actions that can be taken by the parties concerned , " he said .WSJ
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