Berthed Passenger: a passenger that is on board a vessel for a period of greater than 36hours or that has otherwise been assigned a berth.

Breadth: For a vessel, means the maximum breadth of the vessel measured amidships as follows:

1. if the vessel has a metal hull — to the moulded line of the frame;
2. if the vessel does not have a metal hull — to the outer surface of the hull.

Collared Vessel: is a type of vessel which is fitted with a buoyant collar made up of solid material or hollow sections where the collar provides all or part of its intended shape and buoyancy.

Close Proximity Trawling: is a type of trawling operation undertaken by a vessel in close proximity to other vessels engaged in fishing.

Close Proximity Purse seining: is a type of operation undertaken by a vessel purse seining in close proximity to other vessels engaged in fishing.

Compartment Length: the length of the largest watertight compartment (used for bilge pump calculations).

Constrained by Draft: is a type of operation undertaken by a power-driven vessel which because of her draft in relation to the available depth and width of navigable water is severely restricted in her ability to deviate from the course she is following.

Crew: all persons carried on board the vessel to provide navigation and maintenance of the vessel, its machinery, systems, and arrangements essential for propulsion and safe navigation; or to provide services for other persons on board.

Day Passenger: a passenger that is on board a vessel for no more than 36h and has not been assigned a berth.

Depth: is the moulded depth of the vessel at the middle of the measured length of the vessel measured from the moulded line of the keel to the top of the freeboard deck beams at the side of the vessel.

Designated Cruising Area: for a Class 4 vessel, means a restricted area of water designated by the owner of the vessel as an area in which it may be operated by a hirer.

Diving: is a type of operation undertaken from a vessel in which persons from the vessel submerge and conduct underwater activities which result in restricted manoeuvrability of the vessel.

Draft: is the draft corresponding to the deepest draft specified by lowest of the waterlines corresponding to:

1. the summer load line draft from NSCV Part C Section 2;
2. the maximum scantling draft from NSCV Part C Section 3; or
3. the maximum laden draft compliant with the intact stability criteria specified in NSCV Part C Subsection 6A.

Engine Type: the type of engine fitted to the vessel ,either inboard or outboard

Engine Speed: the number of revolutions per minute (RPM) the engine completes whilst operating at the it’s maximum continuous rating.

Ferry in Chains: is a vessel that is navigated across a river or body of water by cables or chains connected to both shores

Fire service vessels: are vessels used by a fire service organisation for a purpose as described in AMSA Exemption 02 - Marine Safety (Certificates of survey) Exemption 2016

Fishing: is a type of operation undertaken by a vessel fishing with nets, lines, trawls or other fishing apparatus which restrict manoeuvrability, but does not include a vessel fishing with trolling lines or other fishing apparatus which do not restrict manoeuvrability.

Fuel Tank Major Axis: the longest side of the largest unsupported panel of a fuel tank.

Fuel Tank Minor Axis: the shortest side of the largest unsupported panel of a fuel tank.

Fuel Type: the fuel used for the main propulsion and auxiliary machinery.

Filler Pipe & Tank Height: the distance measured vertically from the top of the filler pipe to the bottom of the tank.

Gearbox Ratio: the ratio of input revolutions (engine) to output revolutions (shaft). Input as n:1; where n is the number of engine revolutions required to produce 1 shaft revolution.

High Risk Vessel. the following vessels are high risk, vessels which:

1. carry dangerous goods, other than petroleum or gas products intended for use on the vessel or fireworks carried on the vessel only for use on the vessel for a fireworks display;
2. have a net reel, deck load, crane or lifting device installed for which there has not been an assessment and recommended in writing to the National Regulator by an accredited marine surveyor.
3. are operated primarily for towage;
4. have an inboard engine, which operates on fuel that has a flashpoint of less than 60⁰c (e.g. petrol) other than a personal watercraft;
5. are support vessel in the offshore oil or gas industry
6. are fast craft;
7. are overnight hire and drive vessel
8. are powered landing barges of a design or for a use that the National Regulator has determined is likely to adversely affect its stability.

Human Powered Vessel: is a type of vessel that is propelled directly by a person such as by rowing or paddling.

Inner Diameter: the inner diameter of a hollow propeller shaft. Note: This field should be left as blank or as 0 for solid shafts.

Intermediate Shaft UTS: the Ultimate Tensile Strength of the intermediate shaft material, in megapascals (MPa).

Key Length: the overall length of a round ended or sled-runner type key.

Key Material UTS: the Ultimate Tensile Strength of the key material, in megapascals (MPa).

Key Thickness: the overall depth of a round ended or sled-runner type key.

Key Width: the width length of a round ended or sled-runner type key.

Leisure Craft: Refers to the National Standard for Commercial Vessels Part F2.

Length of Voyage: the duration of longest voyage undertaken without access to shore facilities.

Lifting: is a type of operation undertaken by a vessel engaged in lifting operations with an on-board crane.

Machinery is any machinery on board the vessel and includes self-propulsion machinery. This would include for example an excavator used for dredging work carried on board an unpowered barge.

Maximum Displacement (Δ): the mass of water that the vessel displaces when fully laden afloat, in tonnes.

Maximum Speed: for a vessel, means the speed achieved by the vessel in smooth water while it is operating at its maximum operational weight and powered by its main propulsion machinery operating at the maximum continuous propulsion power for which the machinery is rated.

Measured Length: the measured length of a vessel is the greater of:

1. the length on deck (LD), in metres and;
2. 0.96 times the length overall (LOA), in metres.

See NSCV Part B for methods to determine length overall and length on deck.

Monohull: is a single hulled type of vessel not better described by the selection of another vessel type.

Multihull: is a multi-hulled type of vessel not better described by the selection of another vessel type.

National Standard Refers to the National Standards for Domestic Commercial Vessels Parts C1 through C7

Non Survey Craft Refers to craft that are exempt from the requirements to hold a certificate of survey, undergo initial survey and be subject to periodic surveys, as permitted by Exemption 02 of the National Law

Novel Vessel a vessel that has an unconventional shape, form, function or means of propulsion. Note: the National Regulator should be contacted to determine if your vessel is categorised as novel

Operations: activities undertaken by a vessel of a specific nature, select all that apply.

Outer Diameter: the outer diameter of a propeller shaft.

Passenger: for a vessel, means any person other than:

1. the master or a member of the crew; or
2. special personnel; or
3. a child not more than 1 year old; or
4. a person on board the vessel because of the master’s obligation to carry shipwrecked or distressed persons or because of circumstances the master or owner could not prevent.

Petrol Inboard waterski/wakeboard: is a vessel used for the towing water-skiers or wake boarders that is fitted with a petrol inboard engine

Permanently Moored: is a vessel that is permanently attached to a mooring which does not undertake any voyages, whether those be under the vessels own power or towed

Pilotage: is a type of operation undertaken by a vessel engaged in pilot transfers.

Power: the maximum brake power (in kilowatts) that the engine will transmit, irrespective of the length of time nominated by the engine manufacturer for which the engine may be run at that power.

Principal Particulars: are the vessels defining characteristics used to describe the size and capability of the vessel.

Propeller diameter: the distance measured from the centre of the propeller to the blade tip multiplied by 2, in mm.

Proposed: an input being offered by the user for use in calculations.

Note – See key length, key width, key thickness, outer diameter and inner diameter.

PWC (Personal water craft): is a type of vessel that:

1. is <lt4 m long; and
2. has an internal combustion engine powering a water-jet pump as its primary source of propulsion; and
3. is designed to be operated by at least 1 person sitting, standing or kneeling on the hull of the vessel.

Rec. Training Vessel: is a type of vessel which operates only along the coast from where it departs, within 15nm seaward from the coast or from smooth or partially smooth waters and is used by a sailing school or training organisation to train persons for recreational boating qualifications.

Restricted in ability to manoeuvre: is a type of operation undertaken by a vessel which from the nature of her work is restricted in her ability to manoeuvre as required by COLREGS and is therefore unable to keep out of the way of another vessel.

Sailing: Is a type of operation undertaken by a vessel when propelled by sail alone.

Shaft Material UTS: the Ultimate Tensile Strength of the shaft material, in megapascals (MPa)

Special Persons: for a vessel, means a person who is:

1. all of the following:
   1. not the master, a pilot or a member of the crew;
   2. not a passenger of the vessel;
   3. on the vessel to perform or assist the performance of the special work being carried out on board the vessel; or
2. an observer, trainee, person being coached or a coach; or
3. employed by or a volunteer for an emergency services organisation.

Standard Houseboat: is a type of vessel that:

1. is in service category Class 4E; and
2. is <24 m length overall (loa); and
3. is <8.5 m in beam; and
4. has a profile area of ≤130 m2; and
5. has a displacement of ≤75 tonnes; and
6. has a maximum potential speed of ≤10 knots; and
7. is constructed on pontoons

Submersible: a vessel designed to navigate underwater

Tender: a vessel that is less than 7.5m long and used only to transport up to 12 people or for a purpose associated with its parent vessel’s operation and which is not powered by a petrol below deck engine. Tender vessels must remain within line of site of their parent vessel, in a marina or mooring area or another distance approved in writing by the National Regulator. Tenders may not be longer than their parent vessels.

Towing tow shorter than 200m: is a type of operation undertaken by a vessel engaged in towing another vessel with a towline shorter than 200m.

Towing tow longer than 200m: is a type of operation undertaken by a vessel engaged in towing another vessel with a towline longer than 200m.

Transfers at sea: is a type of operation undertaken by a vessel engaged in the transfer of goods or personnel.

Trawling: is a type of operation undertaken by a fishing vessel engaged in trawling.

Unpowered barge means a vessel that:

1. is navigated by a powered vessel that moves it by pushing or towing; and
2. is not propelled by mechanical means other than a means of propulsion that may assist the vessel to:
   1. maintain a relatively fixed position in the water when the vessel is at a work location; or
   2. iprovide assistance while being towed to or from a work location.

Vessel Class: A combination of the vessels operational area (ranging from A to E) and the vessels use.

• Class 1A: Seagoing passenger vessel for use in all operational areas up to and including unlimited domestic operations
• Class 1B extended: Seagoing passenger vessel:
  1. for use beyond 200 nm from the baseline of any of the following but in waters to the outer limits of the EEZ:
     1. the Australian mainland;
     2. the Tasmanian mainland;
     3. a recognised island; and
  2. that complies with NSCV requirements for vessels for use in the operational area unlimited domestic operations

  Note: The vessel class of 1A should be selected for the purpose of calculating the requirements of a 1B extended vessel with the National System Compliance toolset.

• Class 1B: Seagoing passenger vessel for use in all operational areas up to and including offshore operations
• Class 1C: Seagoing passenger vessel for use in all operational areas up to and including restricted offshore operations
• Class 1D: Sheltered waters passenger vessel for operations in partially smooth and smooth waters only
• Class 1E: Sheltered waters passenger vessel for use in smooth waters only
• Class 2A: Seagoing non-passenger vessel for use in all operational areas up to and including unlimited domestic operations
• Class 2B extended: Seagoing non-passenger vessel:
  1. for use beyond 200 nm from the baseline of any of the following but in waters to the outer limits of the EEZ:
     1. the Australian mainland;
     2. the Tasmanian mainland;
     3. a recognised island; and
  2. that complies with NSCV requirements for vessels for use in the operational area unlimited domestic operations

  Note: The vessel class of 2A should be selected for the purpose of calculating the requirements of a 2B extended vessel with the National System Compliance toolset.

• Class 2B: Seagoing non-passenger vessel for use in all operational areas up to and including offshore operations
• Class 2C: Seagoing non-passenger vessel for use in all operational areas up to and including restricted offshore operations
• Class 2C restricted: Seagoing non-passenger vessel for use in:
  1. smooth waters; or
  2. partially smooth waters; or
  3. a specified area determined by the National Regulator for subsection 2.4 (4)
• Class 2D: Sheltered waters non-passenger vessel for operations in partially smooth and smooth waters only
• Class 2E: Sheltered waters non-passenger vessel for use in smooth waters only
• Class 3A: Seagoing fishing vessel for use in all operational areas up to and including unlimited domestic operations
• Class 3B extended: Seagoing fishing vessel
  1. for use beyond 200 nm from the baseline of any of the following but in waters to the outer limits of the EEZ:
     1. the Australian mainland;
     2. the Australian mainland;
     3. a recognised island; and
  2. that complies with NSCV requirements for vessels for use in the operational area unlimited domestic operations

  Note: The vessel class of 3A should be selected for the purpose of calculating the requirements of a 3B extended vessel with the National System Compliance toolset.

• Class 3B: Seagoing fishing vessel for use in all operational areas up to and including offshore operations
• Class 3C: Seagoing fishing vessel for use in all operational areas up to and including restricted offshore operations
• Class 3C restricted: seagoing fishing vessel for use in:
  1. smooth waters; or
  2. partially smooth waters; or
  3. a specified area determined by the National Regulator for subsection 2.4 (4)
• Class 3D:: Sheltered waters fishing vessel for operations in partially smooth and smooth waters only
• Class 3E: Sheltered waters fishing vessel for use in smooth waters only
• Class 4C: Seagoing hire and drive vessel used by the hirer only for recreational purposes for use in all operational areas up to and including restricted offshore operations
• Class 4D: Sheltered waters hire and drive vessel used by the hirer only for recreational purposes for operations in partially smooth and smooth waters only
• Class 4E: Sheltered waters hire and drive vessel used by the hirer only for recreational purposes for use in smooth waters only

Vessel Type: the physical type of vessel that is best described by one of the options in the drop down list.

Volunteer Marine Rescue: A vessel that is being used for the purpose of conducting searches, rescues. See section 7 and 9 of the Marine Safety (Domestic Commercial Vessel) National Law Regulation 2013.

Voyage Length: the length of time spent at sea without access to shore-based facilities.

WIG Craft: a wing in ground effect vehicle, which has a primary operational mode of flying slightly above the water.