Task and Purpose

Security,

Simple mistakes can lead to really big trouble.

How to Sink a $3 Billion Dollar Submarine: Forgetting to Close a Hatch

“Arihant is the most important platform within India’s nuclear triad covering land-air-sea modes,” the Hindu reports. Well, it’s important if it works — and it probably helps to make your submarine watertight.

The modern submarine is not a simple machine. A loss of propulsion, unexpected flooding, or trouble with reactors or weapons can doom a sub crew to a watery grave.

Also, it’s a good idea to, like, close the hatches before you dive.

Call it a lesson learned for the Indian navy, which managed to put the country’s first nuclear-missile submarine, the $2.9 billion INS Arihant, out of commission in the most boneheaded way possible.The Hindu reported yesterday that the Arihant has been out of commission since suffering “major damage” some 10 months ago, due to what a navy source characterized as a “human error” — to wit: allowing water to flood to sub’s propulsion compartment after failing to secure one of the vessel’s external hatches.

Water “rushed in as a hatch on the rear side was left open by mistake while [the Arihant] was at harbor” in February 2017, shortly after the submarine’s launch, The Hindu reports. Since then, the sub “has been undergoing repairs and clean up,” according to the paper: “Besides other repair work, many pipes had to be cut open and replaced.”

Read full article