Summary

George Sutherland O'Hara v. Luckenbach Steamship Company…

The general purpose of the Seamen's Act is not only to safeguard the welfare of the seamen as workmen, but, as set forth in the title, also 'to promote safety at sea.' The act as a whole shows very clearly that, while hours of work and proper periods of rest were regarded as considerations of primary concern while the vessel is in a safe harbor, these considerations must yield, as they have always yielded, to the paramount necessity of safety while the ship is at sea
Source: Wikisource

George Sutherland O'Hara v. Luckenbach Steamship Company…

And not only is the division confined to those of the crew engaged in the mechanics of conducting the ship on her voyage, but the imperative requirement is that the watches into which they are divided 'shall be kept on duty successively'; that is to say, by turns, so that one watch must come on as another goes off. The evident purpose was to compel a division of the men for duty on deck and in the fireroom, and continuity of service, to the end that in those departments the ship should at all times be actively manned with equal efficiency.
Source: Wikisource

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