Perth, April 13 (IANS): Up to 12 aircraft and 14 ships will assist in Sunday's search for the missing Malaysia Airlines flight MH370, the Joint Agency Coordination Center (JACC) confirmed Sunday.

"There have been no confirmed acoustic detections over the past 24 hours," Xinhua quoted the JACC also confirming it Sunday. All aircraft and ships, including 11 military aircraft, one civil aircraft and 14 ships, will join in Sunday's search.

According to the JACC, the Australian Maritime Safety Authority has planned a visual search area totalling approximately 57,506 sq.km Sunday. The centre of the search areas lies approximately 2,200 km north west of Perth.

Based on this situation, Australian Defence Vessel Ocean Shield is continuing more focused sweeps with the Towed Pinger Locator to try and locate further signals related to the aircraft' s black box.

The Orions aircraft continue their acoustic search, working in conjunction with Ocean Shield. The oceanographic ship HMS Echo is also working in the area with Ocean Shield.

"This work continues in an effort to narrow the underwater search area for when the Autonomous Underwater Vehicle is deployed, " the JACC said.