USS Connecticut Seamount Grounding was Preventable

On Monday, the US Navy launched the report of its investigation of the underwater collision of the Seawolf Class submarine, USS Connecticut, with a seamount within the South China Sea. From the report’s Govt Abstract:

On 2 October 2021, Connecticut grounded on an uncharted bathymetric function whereas working submerged in a poorly surveyed space in worldwide waters. This mishap was preventable. It resulted from an accumulation of errors and omissions in navigation planning, watchteam execution, and threat administration that fell far beneath U.S. Navy requirements. Prudent decision-making and adherence to required procedures in any of those three areas might have prevented the grounding.

Accidents onboard Connecticut had been comparatively minor. Eleven whole crew members had been bodily injured.

Connecticut shall be unavailable for operations for an prolonged time frame on account of harm sustained through the grounding. The propulsion plant was not affected.

Relating to navigation planning, the report notes: Connecticut’s NAVPLAN for the day of the grounding failed to fulfill secure navigation requirements. The navigation evaluate workforce, together with the CO, did not establish and correctly mark at the least ten charted hazards to navigation within the neighborhood of the grounding, together with two charted water depths shallower than the Commanding
Officer Secure Working Envelope (COSOE) most working depth.

Failures in watchteam execution associated to a short lived course change and discrepancies in charts and plotting knowledge had been additionally famous.

In November, the Connecticut‘s commander, govt officer, and senior enlisted sailor had been fired following the outcomes of an investigation into the underwater collision. Connecticut commanding officer Cmdr. Cameron Aljilani, govt officer Lt. Cmdr. Patrick Cashin and Chief of the Boat Cory Rodgers had been faraway from their positions on the path of U.S. seventh Fleet commander Vice Adm. Karl Thomas.

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