The search for missing flight MH370 in the Indian Ocean will resume with up to 14 planes and 13 ships.
Searching ... Able Seaman Boatswain's Mate Cameron Grant directing the boat coxswain on a Rigid Hull Inflatable Boat (RHIB) of HMAS Perth while searching for debris from missing Malaysia Airlines flight MH370. Source: AFP
SEARCH crews have detected a new signal from the depths of the Indian Ocean, thought to be from Flight MH370.
Former Defence chief Angus Houston, heading the Joint Agency Coordination Centre in Perth, confirmed an aircraft has detected a possible signal in the vicinity of Ocean Shield in search for the missing Malaysia Airlines plane.
It is understood it was detected by a RAAF P-3 Orion plane in the search zone.
The signal will be further analysed but it is potentially from a man-made source.
"The acoustic data will require further analysis overnight," Houston said.
It brings the number of signals that have been detected so far to five.
The Associated Press said the aircraft had dropped sound-locating buoys by parachute into an area near where the sounds were last heard.
The latest development comes after the Australian Defence vessel Ocean Shield failed to detect underwater signals earlier today after positive transmissions thought to be from Malaysia Airlines Flight MH370 were received on Saturday and Tuesday.
"They continued the pinger operations through the night," Houston said.
"They haven't picked up anything. I don't know how much longer they'll go for because the likelihood on Day 34 is that the batteries must be getting near their use-by date."
He said no decision had been made to send down automated underwater vessel, Bluefin 21 yet.
The two transmissions that were received on Tuesday were markedly weaker than the two sustained transmissions heard on Saturday.
Both sets of transmissions have been determined to be consistent with man-made frequencies coming from airplane black boxes.
Malaysia's acting Transport Minister Hishammuddin Hussein said he remains "cautiously optimistic" after the latest ping.
Air Chief Marshal Houston has said he believes MH370 will be found "in the not-too-distant future"
"Hopefully in a matter of days, we will be able to find something on the bottom that might confirm that this is the last resting place of MH370," he said.
Mr Hussein told the BBC he too was confident that search teams were getting closer.
"I know there will be answers. I know we will find the plane. It is just a matter of when," he said.
SEARCH FOR MH370: What lies beneath the Indian Ocean
The news comes as a large number of objects were spotted by aircraft and ships during yesterday's search, but none of the "small number" recovered were believed to be related to missing Malaysia Airlines flight MH370.
Up to 14 aircraft and 13 ships will be part of today's effort, 2280 kilometres north west of Perth, with isolated showers predicted.
Australian ship Ocean Shield will continue its underwater search for signals to the north of the defined area, as Chinese ship Haixun 01 and HMS Echo look in the south.
Latest search zone ... this map released by AMSA shows the target of today's search. Source: Supplied
As the search parties prepare for another day scouring the Indian Ocean, Malaysia's Prime Minister has called on the world to unite in prayer, saying he is "more optimistic" that MH370 can be found amid the discovery of two new signals.
Najib Razak tweeted that the update from Joint Agency Coordination Centre head and retired Air Chief Marshal Angus Houston had provided hope.
Yesterday, Air Chief Marshal Houston said the number of transmissions detected by Ocean Shield now stood at four.
"(The) signals will assist in better defining a reduced and much more manageable search area on the ocean floor," he said.
"The better Ocean Shield can define the area, the easier it will be for the autonomous underwater vehicle to subsequently search for aircraft wreckage."
"I believe we are searching in the right area, but we need to visually identify aircraft wreckage before we can confirm with certainty that this is the final resting place of MH370," Air Chief Marshal Houston said.
SEARCH: What lies beneath the surface of the Indian Ocean
Optimistic ... Australian Prime Minister Tony Abbott (R) bids farewell to Malaysian Prime Minister Najib Razak after his visit to Perth. Source: AFP
Mr Hussein tweeted that Air Chief Marshal Houston was "very professional" and "seems (like) a good man."
Air Chief Marshal Houston said data analysis of the first two detections found they were consistent with "the specification and description" of a flight data recorder.
Two signals ... The chief co-ordinator of the Joint Agency Coordination Center Retired Australian Air Chief Marshal Angus Houston. Source: AP
According to work conducted by the Australian Joint Acoustic Analysis Centre at HMAS Albatross in Nowra NSW, it was not of natural origin and was "likely sourced" from specific electronic equipment.
Defence Minister David Johnston said he was confident that there is life in the black box despite the days that have passed.
"May I say the battery life in the black box transponder has a long way to go in our opinion, certainly several days into the future," Senator Johnston said.
A Royal Australian Air Force AP-3C Orion flying past Australian Defence Vessel Ocean Shield on a mission to drop sonar buoys to assist in the acoustic search for missing Malaysia Airlines flight MH370. Source: AFP
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