10 military aircraft, four civilian aircraft, and 13 ships combed a 57,923 square kilometer area of the Indian Ocean throughout the day.
Angus Houston, the chief coordinator for Australia's Joint Agency Coordination Center and retired Air Chief Marshal, announced Thursday evening: "whilst conducting an acoustic search this afternoon a RAAF AP-3C Orion aircraft has detected a possible signal in the vicinity of the Australian Defence Vessel Ocean Shield." The Ocean Shield has U.S. Navy equipment aboard to locate the black box transponder and a submersible to explore beneath the ocean
Houston noted that the acoustic data would be analyzed overnight.
Malaysia Airlines Flight 370 disappeared March 8 while flying from Kuala Lumpur to Beijing.
[Joint Agency Coordination Center]