Ocean Infinity has now spent over 150 days scouring the Indian Ocean seabed for Malaysia Airlines Flight MH370, but the elusive aircraft remains undiscovered. Despite deploying state-of-the-art marine technology and mapping an immense 140,000 square kilometers since 2018, their latest expedition concluded in early 2026 without a trace of the wreckage.

Years of Searching Without Success

It has been more than a decade since MH370 disappeared on March 8, 2014, with 239 people on board. The Boeing 777 vanished en route from Kuala Lumpur to Beijing, sparking the most extensive and costly search in aviation history. Ocean Infinity, a Texas-based marine robotics company, took up the mission in 2018, committing to a no-find, no-fee contract valued at $70 million.

In 2025 and early 2026, the firm conducted two search phases totaling 28 days at sea. These efforts covered about 7,571 square kilometers of ocean floor in the southern Indian Ocean. However, on March 8, 2026, Malaysia’s Air Accident Investigation Bureau (AAIB) informed the families that no confirmed wreckage had been found during this period.

What the Search Covered and What Lies Ahead

The recent campaign operated in two windows: March 25-28, 2025, and December 31, 2025, through January 23, 2026. Despite the technological sophistication and detailed seafloor mapping, the aircraft’s location remains unknown. The search area itself is vast and complex, complicating efforts to detect any debris.

Following the disappointing results, Malaysian authorities approved an extension for the search through June 2027. Ocean Infinity’s contract remains active, maintaining the possibility that future advances or new leads could finally provide answers to one of aviation’s greatest mysteries.

As families continue to seek closure, the relentless quest to locate MH370 is proof of the challenges involved in deep-sea search operations, even with cutting-edge tools. The story also highlights the harsh reality that even the most detailed sonar sweeps can come up empty when dealing with the vast and unforgiving ocean.