Amidships refers to the middle of a vessel, used in two related but distinct ways.
As a Location
Amidships describes the central section of the ship — either the midpoint along its length (between bow and stern) or its centerline (midway between port and starboard side). Many vessels’ bridge and accommodation structures are positioned amidships, though modern bulk carriers and tankers increasingly place them aft instead.
As a Helm Order
“Amidships” (or “midships”) is also a specific, standard helm order meaning: center the rudder at zero degrees, neither turned to port nor starboard. This is a precise, unambiguous command distinct from just “steady” — it specifically instructs returning the rudder to the centerline position.
Why the Helm Order Matters
Standard helm orders exist precisely to avoid ambiguity during navigation — “amidships” as a command has one specific meaning, understood identically by any helmsman regardless of nationality or first language, which is exactly the point of standardized maritime commands.
Exam Relevance
Amidships as both a structural location term and a standard helm order is covered within Ship Knowledge and Navigation topics in deck officer competency exams.