Definition
A nautical term of art used in admiralty law to describe a vessel navigating with the wind free — that is, with the wind coming from a direction abaft (behind) the beam, allowing the vessel to sail on either tack without close-hauling. A vessel going off large has favorable wind conditions and significant freedom of maneuver.
In admiralty and collision law, the term carries a functional legal consequence: a vessel going off large is presumed to have greater maneuverability than one sailing close to the wind or in irons, and is therefore held to a higher duty of care in collision cases. Steam-powered vessels are treated as perpetually going off large because their propulsion is controlled by human agency rather than wind direction, and they therefore always possess full maneuverability.
Why It Matters in Research
The term appears almost exclusively in nineteenth-century admiralty opinions and treatises addressing vessel collision liability. Researchers working in that corpus need to understand that "going off large" is not a neutral description of sailing conditions — it is a legal classification that affects the allocation of fault. A vessel classified as going off large was expected to yield to vessels with less maneuverability, such as those close-hauled or running before the wind.
The extension of the doctrine to steam vessels is the more legally significant development. As steam navigation expanded through the mid-nineteenth century, courts and admiralty practitioners applied the "going off large" standard to steamers as a matter of law, regardless of actual wind conditions. This created a default presumption of maneuverability that made steamers routinely responsible for avoiding collision with sailing vessels. Researchers encountering collision cases from the 1840s through the early twentieth century should watch for this presumption, which influenced fault determinations even when not explicitly named.
The term largely drops from legal usage as admiralty collision rules became codified in international conventions and domestic statutes governing vessel right-of-way. Modern admiralty researchers will rarely encounter it in post-twentieth-century materials, but it remains essential vocabulary for anyone working in historical maritime sources, marine insurance records, or early American federal admiralty opinions.
Historical Dictionary Support
Black's and Bouvier's are in agreement on the core definition: going off large means having the wind free on either tack. Black's provides the more technical sailing description, specifying that the wind must come from "abaft the beam" and distinguishing the condition from sailing "before the wind" (wind over the stern, yards squared). Bouvier's is more concise but adds the significant doctrinal gloss regarding steam vessels — that because their movement is governed by human skill, they are treated as always going off large.
Neither dictionary provides extended doctrinal analysis, but both reference admiralty authorities. Black's cites admiralty reporters (1 Newb. Adm. and 6 McLean), indicating the term was actively litigated in federal admiralty courts. Bouvier's references Abbott, almost certainly referring to the Abbott treatise on shipping and admiralty, a standard nineteenth-century authority in American maritime law.
What the historical dictionaries do not fully develop is the normative weight of the classification — that going off large was not merely descriptive but assigned a duty. That inference must be drawn from the case law the dictionaries cite rather than from the dictionary entries themselves.
Jurisdictional Note
The term belongs to general admiralty law administered in federal courts. Because admiralty jurisdiction is federal, there is no meaningful state-by-state variation. Substantive differences, if any, arise between American and British admiralty doctrine of the period, particularly as international collision rules developed in the late nineteenth century.