UPDATE: Vessels Mobilizing for MH370 Underwater Search

Fugro Equator

Vessels involved in the search for the ill-fated Malaysia airlines plane, flight number MH 370 that went missing early March, are being mobilised for the underwater search for the wrecked plane.

After resupply in Fremantle, Fugro Equator commenced passage back to the search area on 19 September and arrived on 24 September to recommence survey work in the search area.

Fugro Equator is currently being used to survey the search area and is expected to be mobilised as a search vessel when its bathymetric work is complete around the end of October.

With respect to the movements of other assets involved in the search, on 20 September, the Chinese survey vessel Zhu Kezhen completed her MH370 search mission and commenced return passage to China.

The Chinese support vessel Haixun 01 continued to be stationed at the Port of Fremantle for repairs.Vessels Mobilizing for MH370 Underwater Search 4

GO Phoenix received fit-out work in Jakarta in preparation for the sea and weather conditions it is likely to encounter in the search area. GO Phoenix departed Jakarta on 23 September for the calibration area and is expected to arrive at the allocated underwater search area on 1 October. GO Phoenix will search there for around 20 days before sailing to Fremantle to be resupplied.

Fugro Discovery has completed fit-out work in Durban, South Africa and commenced passage to Australia. The vessel is expected to arrive in Fremantle on 2 October, whereupon search equipment and a mission crew are expected to be mobilised.

Three-dimensional model of the seafloor terrain
Three-dimensional model of the seafloor terrain

At the request of the Malaysian Government, Australia is leading the search for missing Malaysia Airlines Flight MH370. All the available data indicates the aircraft entered the sea close to a long but narrow arc of the southern Indian Ocean. So far, the search operation has not been very fruitful as the search area is vast and there is limited data on disposal.

“The complexities surrounding the search cannot be understated. It involves vast areas of the Indian Ocean with only limited known data and aircraft flight information. While it is impossible to determine with certainty where the aircraft may have entered the water, all the available data and analysis indicates a highly probable search area close to a long but narrow arc of the southern Indian Ocean,” Australian Transport Safety Bureau (ATSB) said.

The ATSB, in consultation with the contracted search experts, is in the process of finalising the initial plan for the underwater search, to be followed and referred to by all parties involved in the underwater search. The comprehensive plan for the underwater search will include a sequence of priority areas. The first area to be searched has already been surveyed to ensure an accurate understanding of the sea floor topography.

Bluefin 21

“From early in the search, analysis has consistently indicated a very high probability of finding the aircraft along a defined arc in the southern Indian Ocean (where the aircraft last communicated with a ground station through a satellite). This is where the aircraft is assessed to have run out of fuel,” ATSB said.

Vessels Mobilizing for MH370 Underwater Search 3

According to ATSB, since then, complex, ground-breaking technical analysis of limited communications data and aircraft flight information has been developed and refined. This work has concentrated on determining the point on the seventh arc that the aircraft was most likely to have reached. This will enable a prioritised search effort in areas along the seventh arc.

“Recent refinement to the analysis has given greater certainty about when the aircraft turned south into the Indian Ocean and has produced a better understanding of the parameters within which the satellite ground station was operating during the last flight of MH370.

Based on these refinements, the Search Strategy Working Group is finalising its latest assessment of the highest priority areas for the search, which will most likely extend south of the previous ‘orange’ priority area,” the Bureau added.

Outside Fugro Equator:

Press Release; September 25, 2014



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