Expert Insight That Is Both Fascinating and Valuable
Robert L. Sumwalt III, NTSB chairman.

Robert L. Sumwalt III, NTSB chairman.

This is a slick, well illustrated 84-page report that summarizes the National Transportation Safety Board's findings from 30 maritime accidents in 2017. The link below will allow you to download the report and get your full geek on. Also below is a definition that you will find helpful: the word "allision."

Says Robert L. Sumwalt III, NTSB chairman:

This publication’s immediate predecessor, Safer Seas Digest 2017, included sweeping recommended changes to marine safety that will reverberate for years to come after the seminal sinking of the cargo vessel El Faro. While the investigations recapped here in Safer Seas Digest 2018 drew less public notice, the lessons that can be learned, and the improvements that can be implemented, are likewise impressive.

The safety issues examined in the 2018 edition of Safer Seas include: 

• High-water/high-current conditions

• Watertight integrity

• Training for emergencies

• Remote emergency shutdowns

• Ice accumulation

• Reporting issues

• Cooling water chemistry

• Threaded fasteners and components

• Mooring in strong winds

• Identifying navigation hazards

• Fixed ventillation openings

• Recognizing metal fatigue in propeller shafting

• Precautions while unloading catch

• Alternative emergency communications in Alaska region

DOWNLOAD THE 2018 EDITION OF 'SAFER SEAS'

Allision versus collision

A vessel collides with another moving vessel. A vessel allides with a fixed object (including a moored vessel) and is presumed at fault.

From the Meriam-Webster Dictionary

Allision noun. al·​li·​sion | \ əˈlizhən, aˈ-\. Plural -s. Definition of allision--1. obsolete : the action of dashing against or striking upon 2: the running of one ship upon another ship that is stationary —distinguished from collision. First Known Use of allision 1615, in the meaning defined at sense 1. History and Etymology for allision: Late Latin allision-, allisio, from Latin allisus (past participle of allidere to strike against, from ad- + -lidere, from laedere to hurt) + -ion-, -io -ion

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