The eerieknocking soundsrescuers heard in their search for theTitan submersibleand gave false hopes that those on board could still be alive have just been released to the public in a new audio clip.

The underwater vehicle lost contact with its mothership on a journey to the Titanic wreck on June 18, 2023, initiating a four-day rescue operation to find its occupants.

On the second day of the frantic search, the U.S. Coast Guard reported that sonar devices haddetectedbanging noises reverberating in the depths at 30-minute intervals.

A new documentary includes audio of the “knocking” sound rescuers heard in their search for the Titan submersible that imploded last year

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Image credits:Rex Features

The documentary captures searchers listening to the mysterious sounds at the time, and hoping they might belong to the lost crew members.

“The symmetry between those knockings is very unusual,” former Navy submarine Captain Ryan Ramsey says in the documentary.

“It’s rhythmic, it’s like somebody is making that sound, and the fact that it is repeated is really unusual.”

Thedocumentary“creates a detailed picture of events surrounding the submersible’s expedition to the wreck of the Titanic, assesses the scale of the mission and asks what lessons have been learned from the tragedy.”

While reports of rescuers hearing thebanging sounds emergedon the second day,the Canadian Air Forcetold Channel 5they’d heard banging from the first day and on every search flight.

“The symmetry between those knockings is very unusual,” former Navy submarine Captain Ryan Ramsey says in the Channel 5 documentary

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Image credits:Herald Sun

— Gordon’s News (@gordons_news)February 28, 2024

“You get a lot of mechanical noise in the ocean. Trying to differentiate it from tapping noises is a fool’s errand,” Parry said at the time.

The search and rescue mission concluded on June 22, 2023, whena remotely operated underwater vehicle discovered debris of the Titan about 500 yards from the bow of the sunken Titanic.

In October, the US Coast Guard informedthat “presumed human remains” had been recovered from the sea floor near the debris.

The implosion claimed the lives of five people, including OceanGate CEO Stockton Rush

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Image credits:BBC Select

Aviation mogul Hamish Harding was also killed as a result of the catastrophe

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Image credits:actionaviationchairman

Experts believe the small submersible implodedjust 1 hour and 45 minutes into its dive due to enormous water pressure.

The implosion that killed all five occupants is thought to have been near instantaneous and occurred in less than 40 milliseconds, according to theAssociated Press.

The five victims were ocean explorer Paul-Henri Nargeolet, aviation mogul Hamish Harding, Pakistani businessman Shahzada Dawood, his19-year-old son, Suleman, and Stockton Rush, the CEO of Oceangate, the tourism company behind the expedition.

Businessman Shahzada Dawood and his 19-year-old son, Suleman, were among the victims

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Image credits:Dawood Family

Ocean explorer Paul-Henri Nargeolet was the fifth victim of the maritime disaster of June 18, 2023

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Image credits:HarperCollins France

OceanGate Expeditions suspended all exploration and commercial operations in July of 2023, as perForbes.

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue

Audio From Titan Sub Reveals Repeated Knocking Sounds Heard By Search And Rescue Lei RV

Renan Duarte

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