Tuesday, December 6, 2016

This Is What Happens When A U.S. Navy Submarine Runs Into A Mountain

The Los Angeles-class fast-attack submarine USS San Francisco (SSN 711) in dry dock to assess damage sustained after running aground approximately 350 miles south of Guam Jan. 8, 2005.

National Interest: In 2005, a U.S. Navy Submarine Ran Into a Mountain

The USS San Francisco didn't sink, and that's no accident.

In 2005, the nuclear attack submarine USS San Francisco suddenly stopped dead in its tracks. The ship's crew were thrown about, some over distances of 20 feet, and the majority of the 137-member crew suffered one injury or another—including one that would later prove fatal. Further inspection would explain what happened, and reveal that the submarine's bow looked like a crushed soda can. USS San Francisco had run into an undersea mountain.

On that day, January 8, 2005, the San Francisco had been approximately 360 miles southeast of Guam, traveling at flank speed (more than 30 knots). The navigational charts used by the ship's crew failed to show a seamount, or undersea mountain, protruding from the ocean floor. The sub smashed into it head-on.

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Previous Post: The U.S.S. San Francisco (September 27, 2008)

WNU editor: It is amazing that with the exception of one sailor who died from his injuries .... the rest of the crew survived this accident.

2 comments:

RussInSoCal said...

A testament to water tight integrity and at sea damage control.

When this happened there was speculation that the "uncharted" sea mount was created as a result of the Boxing Day quake/tsunami that hit Thailand only two weeks prior.

D.Plowman said...

It really is a testament to damage control. 30 knots and head first into the side of a undersea mountain!

They got very lucky...