Ship supplies cover everything a vessel consumes or wears through during normal operation, and ordering them correctly depends on knowing which category each item falls under. Getting the category wrong leads to delayed deliveries or the wrong product arriving at the gangway.
The four main categories of ship stores
Deck stores cover mooring lines, paint, rigging hardware and general maintenance items used across the weather deck. Engine stores are the machinery-space equivalent, covering gaskets, filters, hand tools and consumables needed to keep engine room equipment running between planned maintenance.
Cabin stores handle bedding, cleaning supplies and general accommodation items, while provisions cover fresh, frozen and dry food for the crew. Ship spare parts sit in a related but separate category, since these are specific replacement components tied to a piece of equipment rather than general consumables.
Provisioning scales differently depending on the vessel. A cargo ship reorders on a routine cycle tied to its trading pattern, while megayacht provisioning often means sourcing specific brands, fresh produce and guest-quality items on much shorter notice, sometimes within a single day of arrival.
IMPA codes and why they matter
Ordering across four categories and dozens of suppliers only works smoothly because of a shared coding system.
The Marine Stores Guide, widely known as the IMPA codes, assigns a unique six-digit number to each of the tens of thousands of items a vessel might order. IMPA itself describes the guide as the industry’s leading reference source for matching purchasers and suppliers, and the same codes have stayed consistent for close to forty years.
Quoting an IMPA code instead of a written description removes almost all ambiguity from an order, particularly useful when the supplier and the ship’s crew do not share a first language.
Bonded stores and customs
Certain items, mainly alcohol, tobacco and duty-free provisions, count as bonded stores and move through a separate customs process from ordinary supplies. These goods stay under bond until the vessel is outside territorial waters, and the paperwork differs from a standard stores order.
Curaçao offers vessels a choice between a bonded warehouse and free zone routing depending on the cargo and the vessel’s onward schedule. Industry standards for this side of the trade come from organisations such as ISSA, which represents ship suppliers worldwide and maintains conditions of sale and a code of ethics that many bonded stores suppliers follow.
Ordering and delivery
Placing an order is only half the job, since supplies still need to reach the vessel at the right time and in the right condition. Provisions and stores delivery typically runs through an experienced ship chandler, who consolidates deck, engine, cabin and provisions items into a single delivery rather than several separate trips.
Time-critical items follow their own path. Spare parts delivery often needs to reach the vessel before a specific repair window closes, while fresh water delivery usually runs on its own schedule tied to tank capacity rather than the general stores order.
Most deliveries reach an anchored or berthed vessel by launch services, with larger volumes moved by barge when the order includes bulk provisions or heavy engine parts.
Coordinating launch timing with the vessel’s own schedule avoids the common problem of a delivery boat waiting alongside while cargo operations or a crew change take priority. An experienced port agent plans stores delivery around the rest of the port call, so the right supplies arrive without adding time to the vessel’s stay.