Summary

Portrait of Potter Stewart Potter Stewart Hess v. United States — Opinion of the Court

Moreover, where the injury is wrongful under maritime law, this is the predominant, if indeed not the sole, purpose of the statute. In such instances the State is not legislating in order to affect the defendant's conduct, since by hypothesis a federally imposed duty already exists. For merely because no federal action lies for wrongful death, one can hardly say that there is no duty not to kill through negligence, but there is a duty not to injure.
Source: Wikisource

Portrait of Potter Stewart Potter Stewart Hess v. United States — Opinion of the Court

It does, indeed, create a new right, and liability; but it does not create a single one of the elements that make up the fundamental cause of action, that is, the essential grounds of the demand. All these elements exist independently of the statute, and are not in the least affected by it. It no more creates the wrong, or the damage, than it creates the negligence or the death; nor does it, as in the pilotage and double wharfage cases, add anything to the damages sustained. It authorizes no recovery except for 'the pecuniary damages' already existing.
Source: Wikisource

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