NMMA Code Lists

BoatLengthContentType

  • Length Overall - The overall length of the boat.

  • Length Of Deck - The length of the boat's deck.

  • Length At Water Line - The length of the boat at the water line.

  • Nominal Length - The nominal or advertised length of the boat.

BoatDraftContentType

  • Max Draft - Maximum Draft

  • Drive Up - Draft with engine up.

  • Drive Down - Draft with engine down.

  • Keel Up - Draft with keel up.

  • Keel Down - Draft with keel down.

BoatCategoryContentType

  • Power - A boat propelled by an internal-combustion engine

  • Fish - A vessel for fishing;

  • Sail - A boat which uses the wind as its primary means of propulsion.

  • Personal Water Craft - Personal Water Craft or PWC is a power driven ship that- has a fully enclosed hull; and does not take on water if capsized; and is designed to be operated by a person standing, sitting astride, or kneeling on it, but not seated within it

  • Small Boats - Dinghies, rafts, kayaks, canoes, row boats and other forms of smaller floatable vessels.

  • Commercial - A vessel used for commerce, for-profit activities, or trade.

BoatClassContentType

  • Air Boat - Also called fan boats, these are flat-bottomed punts powered by a propeller attached to an automobile or aircraft engine.

  • Aluminum Fish Boats - A type of boat used primary for fishing constructed of an alumium body.

  • Antique and Classics - Includes wooden hull boats, antique as determined by age, or no longer supported by the boat builder.

  • Barge - A large, flat-bottomed vessel for carrying cargo, towed behind or pushed by a tugboat.

  • Bass Boats - Low, flat-bottomed powerboat usually equipped with an outboard as well as small trolling motor.

  • Bay Boats - Low profile, inshore fishing boat intended for use in protected coastal waters, and frequently made with rolled edge construction.

  • Beach Catamarans - A small, lightweight sailboat less than 25ft long that can be easily launched and retrieved from a beach.

  • Bluewater Fishing - Mid to large V-hulled boat suitable for offshore fishing, typically fitted with outriggers, fish boxes, aluminum towers, a host of electronics and large fuel tank.

  • Bowrider - A runabout with seating area in the bow.

  • Canoe - A long narrow boat propelled by paddles or a paddle.

  • Center Consoles - A fishing boat with helm station located amidships for maximum walk through space around the perimeter of the boat.

  • Charter - A boat rental either 1. with paid crew, called a crewed charter or 2. without paid crew, called a bareboat charter.

  • Combination Carrier - A ship for transportation of both liquid and dry bulk cargoes.

  • Commercial Boats - Boats used for activities which receive payment, such as fishing boats, hire boats, etc.

  • Crabber - Crab fishing boats which vary in shape and size, from aluminum skiffs with outboard motors that fish the inside waters for Dungeness, to seagoing vessels of 100' or more that fish for king crab. The decks of a crabber are usually stacked with pots.

  • Crew - A rowing boating used in the sport of crew. Also a large powerful boat used for tranporting crew members or supplies.

  • Cruisers - A boat where living accomodations and comfort are given precedence over performance and speed.

  • Cuddy Cabin - Small cabin below decks with limited space for shelter or amenities.

  • Cutter - Similar to a sloop, a single-masted fore-and-aft-rigged sailing vessel.

  • Convertible Boats - Powerboat with a flying bridge, outfitted with both fishing gear and comfortable accomodations.

  • Daysailers - A boat without a cabin used for short sails or racing.

  • Deck Boats - A boat with a single-level deck and often rails or gunnels all around. A runabout with an extra wide bow seating area.

  • Dinghies - A small boat used as tender or a small racing boat.

  • Dive Boat - A powerboat specially equipped to support SCUBA and other diving operations.

  • Dragger - A fishing boat operating a trawl or dragnet.

  • Dual Console - A type of boat with twin dashboards separated by a centerline walk-through-deck leading to the bow.

  • Express Cruiser - A planing powerboat with a comfortable cockpit for entertaining, helm on the same level, and cabin below. A crusing boat without a deck-level salon.

  • Flats Boats - A shallow-draft boat, usually fiberglass, with tilting outboard engines to allow access to shallow water and saltwater flats for fishing.

  • Flybridge - A high steering position above the normal wheelhouse on a power cruiser.

  • Folding Boat - A small collapsible boat typically ranging between 8 to 12 feet. Typically made of highly bouyant material some designs literally can be folded for stowage and off water transport.

  • Freshwater Fishing - Any fishing boat used in fresh water. Boat may not be equipped to handle the harsh saltwater environment.

  • High Performance Boats - A watercraft that can exceed 50 miles per hour.

  • House Boats - Boxy, flat-bottomed or pontoon boat usually used in lakes and rivers.

  • Inflatables - An inflatable boat or personal floatation device (life jacket)

  • Jet Boats - A waterfraft propelled by an engine that drives a jet pump and has no external propeller.

  • Jon Boats - Multi-purpose camping, fishing and hunting craft, typically aluminum and powered by a small outboard or oars.

  • Kayak - A light, closed, narrow, generally sea-going boat propelled by single- or double-bladded paddles.

  • Ketch - Two-masted sailing rig in which the mizzen (aft) mast is shorter than the main mast and stepped in front of the rudder post.

  • Longliner - A type of fishing vessel that is used to fish different species with equipment to support longline fishing, which entails suspending baited hooks at intervals on droppers from a heavy main line that may extend many feet or kilometres.

  • Mega Yachts - A pleasure yacht, usually worth more than 1 million dollars with full time paid captain and crew. A "Megayacht" is a motoryacht in excess of 100 feet LOA

  • Motor Yachts - A large and luxurious powerboat designed for comfortable cruising.

  • Motorsailers - A boat that is designed for propulsion by both sails and engine power, either alternately or simultaneously OR a sailboat with a larger than normal engine and spacious accomodations designed to motor moe and sail less than typical sailboats.

  • Multi-Hulls - A boat designed with more than one hull, such as a catamaran or trimaran.

  • Other - Boat class not known or specified.

  • Passenger - A powerboat designed for the transportation of people.

  • Personal Watercraft - PWC; small, jet-driven one- or two-seater motorboat, also called a wet bike.

  • Pilothouse - The place on a vessel that houses the helm and protects the helmsperson from the elements.

  • Pontoon Boats - A flat, usually square deck boat with aluminum, steel or composite pontoons.

  • Power Catamarans - A multihulled powerboat with two identical side-by-side hulls.

  • Power Cruisers - A powerboat with overnight accommodations, typically up to 40 feet long.

  • Processor - Also known as a factory ship, processors receive a fish catch from other boats. They, gut, package and freeze the catch. This allows the fish to be frozen as soon as possible after catch, and permits the boat(s) to stay at sea longer before returning to port to unload the packaged catch.

  • Racers and Cruisers - A fast sailboat designed with comfortable accommodations, often 'one design' yachts that are eligible for one design class racing

  • Racers - A boat designed for speed and ease of handling, often at the expense of comfort.

  • Runabouts - A powerboat less than 25 feet designed for cruising and watersports. May have outboard or sterndrive engine.

  • Saltwater Fishing - Any fishing boat used in the ocean or coastal waters that's specially equipped to handle the harsh saltwater environment

  • Schooner - Fore-and-aft rigged sailing vessel with two to six masts, with the fore mast shorter than the main mast.

  • Sea Kayak - An ocean going or seaworthy kayak, able to withstand adverse conditions of weather and sea.

  • Seiner - A seiner is so named because it fishes with a net called a seine that is laid out in a circle around a school of fish and drawn into a purse that closes the bottom, trapping the catch inside.

  • Ski and Fish - A powerboat designed for both towing waterskiers and recreational fishing

  • Ski and Wakeboard Boats - Low profile, pleasure boats with minimal deadrise specifically designed for waterskiing and/or wakeboarding.

  • Skiff - A small open boat, generally with an outboard engine.

  • Sloop - A boat with a single mast and working sails(genoa and main)set fore and after respectively.

  • Sports Fishing Boats - A type of bluewater fishing boat with at least two sleeping cabins and many dedicated fish-fighting features

  • Sternpicker - Also known as a gillnetter, this type of boat is used in troll, crab and sport fishery. Usually 30-40 feet long, with curtain-like nets

  • Submarine - A vessel that can operate submerged.

  • Tender - A small boat used to transport persons, gear, and supplies to and from a yacht or other pleasure vessel, a dinghy.

  • Troller - Used primarily on the salmon grounds off southeast Alaska and in deep-ocean albacore tuna fisheries, these fishing boats range in size from small skiffs to offshore boats of up to seventy feet.

  • Tug - A boat used to maneuver, primarily by towing or pushing other vessels in harbours, over the open sea or through rivers and canals. They are also used to tow barges, disabled ships, or other equipment like towboats.

  • Tuna - A fishing boat equipped with a tall aluminum "tuna tower" used for spotting fish in the distance, often equipped with a second set of helm controls.

  • Unspecified - Boat class is unknown or not specified

  • Utility Boats - Small, inexpensive all purpose boats similar to jon boats. Typically constructed of steel with flat bottoms.

  • Walkarounds - A open motorboat with cockpit-level deck access all around the console or cabin.

  • Yawl - A two-masted sailboat with a main mast and smaller mizzen mast stepped after of the rudder post.

  • Angler - An open fishing boat designed for offshore or large bays and lakes

  • Downeast - A type of yacht used traditionally for lobster and other types of fishing off the coast of Maine, normally measuring between 20 and 50 feet in length.

  • Submersible - A craft that can go underwater and explore, and collect samples.

  • Trawlers - Large, long distance powerboats with stable, comfortable cabins and creature comforts for living aboard.

  • Cargo Ship - General purpose freight ship. Often configured with onboard cranes for autonomous materials handling.

  • Container Ship - Ship designed to efficiently transport standard 20 and 40 foot shipping containers.

  • Cruise Ship - Large passenger ship designed for ocean cruising and providing comfortable accommodation and resort-like facilities.

  • Dredger - Specialized vessel for excavating the sea floor to provide depth in harbors and navigation channels.

  • Ferry - Passenger and/or roll-on roll-off vehicle carrying ship designed for scheduled sea, lake or river crossings.

  • Fire Boat - Fire-fighting boat.

  • Floatel - Floating accommodation barge. Typically used for accommodating construction or drilling workers close to work site.

  • Floating Dry Dock - High sided semi-submersible barge that provides floating dry-dock facilities.

  • Ice Breaker - Powerful heavily built ship designed to clear navigation channels in frozen seas.

  • Landing Craft - Shallow draft vessel used for landing vehicles, passengers or animals in shallow waters and beaches.

  • Life Boat - Rugged boat carried aboard ships for use in the event of emergency.

  • Patrol Boat - High performance ship used for marine security. Typically naval or coastguard type vessels.

  • Pilot Boat - High performance work boat designed with good seakeeping qualities and wide deck access for delivering port pilots to and from visiting ships.

  • Platform Barge - Flat decked barge for carrying cranes, excavators or other heavy equipment on the water.

  • Rescue Boat - Specialist high performance vessel designed to rescue mariners in distress in the roughest of sea conditions.

  • Research Ship - Ship equipped for exploration or other research work at sea. Self-contained for extended periods at sea.

  • Supply Ship - Offshore support and supply vessel.

  • Tanker - Crude oil or gas carrier

  • Water Taxi - Small shuttle boat for carrying passengers short distances around harbours, marinas or islands.

  • Dory - Open boat with highly stable cathedral hull configuration. Popularly used as a tender, for fishing and in club safety work.

  • Lobster Boat - Open water work boat designed for easy transport, setting and recovery of lobster pots.

  • Aft Cabin - Power cruiser with an aft cabin.

  • Hover Craft - An air-cushion vehicle capable of operating over water or land. Used both recreationally and commercially.

  • Hydrofoil - Fast motor boat with wing-like foils attached to the hull. Designed to raise the hull out of the water at speed.

  • Hydroplane - Racing power boat designed for high speed over the water with minimal surface contact.

  • Motor Barge - European motor barges traditionally used for cargo, but now being built as cruising and liveaboard barges.

  • Narrow Boat - Narrow beam boat designed to navigate the narrow British canal network. Originally working cargo boats; now entirely recreational.

  • Rigid Cabin Inflatable - Large inflatable with enclosed cabin accommodation or wheelhouse.

  • Rigid Dive and Rescue Inflatable - Heavy duty rigid inflatable designed for easy entry and recovery from the water.

  • Rigid Sports Inflatable - Recreational inflatable designed for passenger comfort and/or high performance. Commonly used as a yacht tender or runabout day boat.

  • River Cruiser - Shallow draft and low air-draft full displacement motor cruiser designed for inland waterways. Typically configured with a modest single engine.

  • Roll Up Inflatable - Soft floor inflatable that can be deflated and stowed in a locker or car trunk.

  • Side Console - Sports or fishing boat with a single console offset to one side.

  • Sports Cruiser - Equivalent to an Express Cruiser; more commonly used in Europe.

  • Gulet - Large wooden heavily constructed Turkish motor sailing yacht. Typically 50 to 100+ feet in length

  • Sailing Barge - European sailing barges traditionally used for cargo, but now being built and used as cruising and liveaboard barges.

  • Rowing Shell - Single, double, four or eight man sculling or rowing boat. Generally constructed in either racing or recreational styles.

  • Duck Boat - A boat developed for the primary purpose of hunting water fowl.

  • Deck Saloon - A sailing yacht with a raised saloon, but no inside steering position.

  • Center Cockpit - Sailing vessel with cockpit located amidships, allowing for a larger aft cabin

  • Catamaran - Two hulled sailing vessel

  • Trimaran - Three hulled sailing vessel

BoatHullMaterialContentType

  • Aluminum - The primary material used for construction of the hull is aluminum

  • Composite - Material used for construction of the hull is a composite - often plastics reinforced with fibers other than (or in addition to) glass

  • Ferro Cement - The primary material used for construction of the hull is Ferro Cement, a type of steel reinforced cement

  • Fiberglass - The primary material used for construction of the hull is fiberglass

  • Hypalon - The primary material used for construction of the hull is Hypalon, a trademark for chlorosulfonated polyethylene (CSPE) synthetic rubber (CSM) noted for its resistance to chemicals, temperature extremes, and ultraviolet light. It is a product of DuPont Performance Elastomers.

  • Other - Other

  • PVC - The primary material used for construction of the hull is PVC

  • Roplene - The primary material used for construction of the hull is roplene, a type of roto-molded plastic.

  • Steel - The primary material used for construction of the hull is steel

  • Wood - The primary material used for construction of the hull is wood

  • Carbon Fiber - The primary material used for construction of the hull is carbon fiber, a space age, relatively expensive material.

  • Rubber - The primary material used for construction of the hull is rubber

  • Cold-Molded - Cold-molded hulls are made over a male form using thin strips of wood, stapled and then epoxied in place. That is repeated with the strips going in alternating diagonal directions. Sometimes there is an outer layer of fiberglass as well.

BoatKeelContentType

  • 3/4 Keel - A keel with length approximately 75% as long as the boat's hull.

  • Detachable Keel - A keel design that can be removed for transport and stowage. See daggerboard, centreboard or retractable. 

  • Full Keel - A keel with length approximately as long as the boat's hull

  • Fin Keel - A keel shaped like the fin of a fish that is shorter and deeper than a full-length keel.

  • Ocean Keel - A canting keel with large bulb found on ocean going racing yachts.

  • Retractable Keel - A keel design that can be raised or lowered for movement in shallow water or for transportation

  • Other - Keel type is unknown or unlisted

  • Twin Keel - Two fin keels side by side enabling the yacht to sit upright when out of the water. Also known as a bilge keel.

  • Bulb Keel - A type of fin keel with a bulb at the bottom to lower the centre of gravity

  • Winged Keel - A type of bulb keel but with a wing.

  • Lifting Keel - A keel that pivots on it's forward edge enabling the keel to be lifted. Also known a a Swing Keel.

  • Daggerboard Keel - A keel that can be raised vertically (usually by electric or hydraulic means) to reduce draught. May also be referred to as centreboard or retractable.

  • Canting Keel - A canting keel is a form of sailing ballast, suspended from a rigid canting strut beneath the boat, which can be swung to windward of a boat under sail, in order to counteract the heeling force of the sail. The canting keel must be able to pivot to either port or starboard, depending on the current tack

  • Triple Keel - Three fin keels side by side enabling the yacht to sit upright when out of water.

  • Centerboard - A retractable keel which pivots out of a slot in the hull of a sailboat, known as a centerboard trunk (US) or case.

BoatHullDesignContentType

  • Catamaran - A hull design consisting of two hulls joined by a frame

  • Deep Vee - A hull shape characterized by a sharp deadrise, typically more than 20 degrees

  • Displacement - A hull shape designed to run through water rather than on top of it in the manner of a planing hull.

  • Flat - Typically a small open boat such as a jon boat, intended for use on calm waters such as ponds, small lakes, and slow rivers.

  • Foldable - A type of boat hull design that folds for stowage or transport, including inflatables.

  • Modified Vee - A modification of the deep-V hull shape with a deadrise of less than 20 degrees

  • Monohull - A type of boat having only one hull

  • Other - Hull Design not known or specified

  • Pontoon - A type of boat with a flat deck attached to airtight flotation tubes or logs.

  • RIB - Rigid Inflatable Boat: An inflatable boat fitted with a rigid bottom

  • Roll-up - An inflatable hull that can be rolled up for storage

  • Round Bottom - Boats having a round shaped bottom for moving through water easily at slow speeds. Examples include some trawlers, canoes and sailboats

  • Sea-V2 - A SeaV2 hull design has no two places on the keel where the deadrise is the same. The vee continuously sharpens from the transom to the bow stem

  • Semi Displacement - A hull shape with soft chines or a rounded bottom that enables the boat to achieve minimal planing characteristics.

  • Trimaran - A multihull design consisting of a main hull and two smaller outrigger hulls attached to the main hull with lateral struts

  • Tunnel - A catamaran. Essentially two deep-v hulls joined by a platform/cockpit area.  This design offers benefits in stability, speed, and roominess

  • Inflatable Rigid - A type of boat with air chambers into which air is pumped either manually or automatically for buoyancy without a rigid bottom.

  • Inflatable Non Rigid - A type of boat with air chambers into which air is pumped either manually or automatically for buoyancy, without a rigid bottom.

  • Inflatable Ridged - Deprecated: Use Inflatable Rigid

  • Inflatable Non Ridged - Deprecated: Use Inflatable Non Rigid

  • Inflatable Ridgid - Deprecated: Use Inflatable Rigid

  • Inflatable Non Ridgid - Deprecated: Use Inflatable Non Rigid

  • Planing - Hulls designed to ride on top of the water, regardless of the weight of the boat.

BoatEngineLocationContentType

  • Port - Port

  • Center Port - Center Port

  • Starboard - Starboard

  • Center Starboard - Center Starboard

  • Center - Center

  • Bow - Bow

DisplacementMeasureTypeContentType

  • Dry Load - No load.

  • Half Load - 50 percent load

  • Full Load - 100 percent load

TankUsageCodeContentType

  • Water - Water

  • Grey Water - Water that has been used for one purpose but can be used again without repurification.

  • Black Water - Waste water that needs purification or other processing before it can be reused.

  • Fuel - Any material that is burnt or altered in order to obtain energy.

  • Ballast - Controls buoyancy and stability.

  • Other - Usage not defined in this list.

  • Water Heater -

TankMaterialCodeContentType

  • Steel - Steel

  • Stainless Steel - Stainless Steel

  • Aluminum - Aluminum

  • Plastic - Plastic

  • GRP - Glass Re-enforced Plastic

  • Other - Usage not defined in this list.

AccommodationTypeCodeContentType

  • Bathroom - Bathroom

  • Head - Head or toilet

  • Cabin - Cabin

  • Stateroom - Stateroom

  • SingleBerth - A single room or bunk.

  • TwinBerth - A twin room or bunk.

  • DoubleBerth - A twice the size of a single berth room or bunk.

  • Other - A type not defined in this list.

WindlassTypeCodeContentType

  • Hydraulic - Moved by, or operated by a fluid, especially water, under pressure.

  • Electric - Powered by or operated by electricity

  • Manual - Manual