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NTSB Points to Navy Failures in John S. McCain Accident Report

marinesalvage by marinesalvage
February 4, 2022
in News
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john s. mccain
john s. mccain

NTSB Points to Navy Failures in John S. McCainAccident Report

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August 5, 2019

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The USS John S. McCain (DDG 56) reaches Changi Naval Base in Singapore complying with an accident with the vessel while underway eastern of the Straits of Malacca as well as Singapore onAug 21., 2017. UNITED STATE Navy Photo

The August 2017 accident in between the USS John S McCain as well as a business vessel was brought on by not enough training, poor bridge operating treatments as well as an absence of functional oversight, the National Transportation Safety Board claimed in a Marine Accident Report released today.

Ten seafarers aboard the John S McCain passed away as well as one more 48 were wounded when the Arleigh Burke- course destroyer hit the chemical vessel Alnic MC in the Middle Channel flow of the Singapore Strait Traffic Separation Scheme (TSS). There were no injuries received by the team of the vessel.

The accident happened as both the Yokosuka- homeported John S McCain as well as the Liberian- flagged Alnic MC were transiting in the direction of Singapore in the westbound lane of the hectic Singapore Strait TSS.

“The NTSB determined the probable cause of the collision was a lack of effective operational oversight of the destroyer by the U.S. Navy, which resulted in insufficient training and inadequate bridge operating procedures,” the NTSB claimed in a news release. “Contributing to the accident were the John S McCain bridge team’s loss of situation awareness and failure to follow loss of steering emergency procedures, including the requirement to inform nearby vessel traffic of their perceived loss of steering. Also contributing to the accident was the operation of the steering system in backup manual mode, which allowed for an unintentional, unilateral transfer of steering control,” the launch claimed.

“As the John S McCain entered the Singapore Strait, steering and thrust were being controlled by a single watchstander – the helmsman – from the helm station. The commanding officer directed the lee helm station be manned as well and the crew took actions intended to transfer propeller thrust control from the helm to the lee helm station. The NTSB concluded that during the process of shifting thrust control, a John S McCain watchstander unintentionally transferred control of steering from the helm to the lee helm station which resulted in a perceived loss of steering by the John S. McCain’s helmsman, however, steering control was available at all times in the accident sequence. The NTSB further concluded the unintentional transfer was possible because the system was being operated in backup manual mode, which removed a safeguard against inadvertent transfer of steering control,” the launch adde.

The NTSB record additionally ended that the “inability to maintain course due to a perceived loss of steering, the mismatch of port and starboard throttles producing an unbalanced thrust, and a brief but significant port rudder input from after steering combined to bring the John S McCain into the path of the Alnic MC.”

This choice to alter the arrangement of the John S McCain’s important controls while the destroyer remained in close distance to various other vessels enhanced the danger of a mishap, the NTSB claimed.

Based on its examination of the accident, the NTSB has actually released 7 safety and security suggestions to the United States Navy, which are listed here:

  • Issuance of irreversible assistance guiding destroyers outfitted with the Integrated Bridge as well as Navigation System to run in computer-assisted guiding settings, other than throughout an emergency situation.
  • Issuance of assistance to staffs highlighting the relevance of ideal use really high regularity radio for risk-free navigating.
  • Ensuring style concepts in ASTM International Standard F1166 are included when updating complicated systems such as guiding as well as control systems within the Integrated Bridge as well as Navigation System.
  • Revision of composed directions for bridge watchstanders on destroyers outfitted with the Integrated Bridge as well as Navigation System to consist of treatments for moving guiding as well as drive control in between all bridge terminals.
  • Revision of Integrated Bridge as well as Navigation system technological guidebooks to consist of a summary of as well as treatments for ganging as well as unganging throttles.
  • Revision of training criteria for helmsman, lee helmsman as well as boatswain’s friend of the expect destroyers outfitted with the Integrated Bridge as well as Navigation System to call for shown efficiency in all system works consisting of transfer of guiding as well as drive control in between all bridge control terminals.
  • Instituting Seafarers’ Training, Certification as well as Watchkeeping Code remainder criteria for all crewmembers aboard marine vessels.

The complete NTSB record can be discovered right here: Marine Accident Report 19/01

Source of This New.

Tags: Accident Reports
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