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With vast area of Indian Ocean finally mapped, ships prepare to resume search for Flight 370

  • FILE - In this March 18, 2014 photo, a young Malaysian boy prays, at an event for the missing Malaysia Airline Flight 370, at a shopping mall, in Petaling Jaya,  on the outskirts of Kuala Lumpur, Malaysia.  After a four-month hiatus, the hunt for Malaysia Airlines Flight 370 is about to resume in a desolate stretch of the Indian Ocean, with searchers lowering new equipment deep beneath the waves in a bid to finally solve one of the world's most perplexing aviation mysteries.  (AP Photo/Joshua Paul, File)

    FILE - In this March 18, 2014 photo, a young Malaysian boy prays, at an event for the missing Malaysia Airline Flight 370, at a shopping mall, in Petaling Jaya, on the outskirts of Kuala Lumpur, Malaysia. After a four-month hiatus, the hunt for Malaysia Airlines Flight 370 is about to resume in a desolate stretch of the Indian Ocean, with searchers lowering new equipment deep beneath the waves in a bid to finally solve one of the world's most perplexing aviation mysteries. (AP Photo/Joshua Paul, File)  (The Associated Press)

  • In this map provided on Sept. 24, 2014, by The Australian Transport Safety Bureau, details are presented in the search for the missing Malaysia Airlines Flight 370 in the southern Indian Ocean. After a four-month hiatus, the hunt for Malaysia Airlines Flight 370 is expected to resume Sunday, Oct. 5, 2014, in a desolate stretch of the Indian Ocean, with searchers lowering new equipment deep beneath the waves in a bid to finally solve one of the world's most perplexing aviation mysteries. (AP Photo/The Australian Transport Safety Bureau) EDITORIAL USE ONLY

    In this map provided on Sept. 24, 2014, by The Australian Transport Safety Bureau, details are presented in the search for the missing Malaysia Airlines Flight 370 in the southern Indian Ocean. After a four-month hiatus, the hunt for Malaysia Airlines Flight 370 is expected to resume Sunday, Oct. 5, 2014, in a desolate stretch of the Indian Ocean, with searchers lowering new equipment deep beneath the waves in a bid to finally solve one of the world's most perplexing aviation mysteries. (AP Photo/The Australian Transport Safety Bureau) EDITORIAL USE ONLY  (The Associated Press)

  • Map shows search areas for missing Malaysia Airlines missing jet.; 2c x 5 inches; 96.3 mm x 127 mm;

    Map shows search areas for missing Malaysia Airlines missing jet.; 2c x 5 inches; 96.3 mm x 127 mm;  (The Associated Press)

After a four-month hiatus, the hunt for Malaysia Airlines Flight 370 is about to resume in a desolate stretch of the Indian Ocean, with searchers lowering new equipment deep beneath the waves in a bid to finally solve one of the world's most perplexing aviation mysteries.

The GO Phoenix, the first of three ships that will spend up to a year hunting for the wreckage far off Australia's west coast, is expected to arrive in the search zone Sunday, depending on the weather.

Crews will use sonar, video cameras and jet fuel sensors to scour the water for any trace of the Boeing 777, which disappeared March 8.

The search has been on hold for months so crews could map the seabed about 1,800 kilometers (1,100 miles) west of Australia.