Wikidata:WikiProject Ships/Classification

WikiProject Ships

Ship classification

Ship properties

Maintenance lists

Watercrafts vs. ships vs. boats

Some simple definitions to help distinguish terms used to categorize means of transportation that use water:

watercraft (Q1229765)

• Top-level class for any type of vehicle navigating over or under water.
• This item should only be used with subclass of (P279) to define more specialized types of vehicles.
• List of first-level watercraft specializations / Top 2 subclass levels

ship (Q11446) and boat (Q35872)

• Top-level classes for any type of vehicle navigating over water. Subclasses of watercraft (Q1229765).
• Ships are larger vessels, generally able to travel long distances with no resupply with a large crew. A vessel of over 500 tons displacement is almost invariably a ship.
• These item should only be used with subclass of (P279) to define more specialized types of vehicles.
• Ship subclasses: Top level types / Top 2 levels / Full hierarchy of ship types and classes
• Boat subclasses: Top level types / Top 2 levels / Full hierarchy of boat types and classes

submarine (Q2811) and submersible (Q1570255)

• Top-level classes for any type of underwater vehicle (Q19623198). Subclasses of watercraft (Q1229765).
• Submarines are larger vessels.
• These item should only be used with subclass of (P279) to define more specialized types of vehicles.
• Underwater vehicle types: Top level / Top 2 levels / Full hierarchy of underwater vehicles

Ships, ship types and ship classes

• An individual ship (Q11446) is an instance of (P31) a ship type (Q2235308),
• and may have a vessel class (P289) of a ship class (Q559026).
• An individual boat (Q35872) is an instance of (P31) a boat type (Q16103215),
• and may have a vessel class (P289) of a boat class (Q121289722).
• An individual submarine (Q2811) is an instance of (P31) a submarine type (Q121289744),
• and may have a vessel class (P289) of a submarine class (Q1428357).
• A ship type (Q2235308) is a subclass of (P279) ship (Q11446) or any other ship type.
• A boat type (Q16103215) is a subclass of (P279) boat (Q35872) or any other boat type.
• A submarine type (Q121289744) is a subclass of (P279) submarine (Q2811) or any other submarine type.
• A ship class (Q559026) is a subclass of (P279) a ship type or any other ship class.
• A boat class (Q121289722) is a subclass of (P279) a boat type or any other boat class.
• A submarine class (Q1428357) is a subclass of (P279) a submarine type or any other submarine class.

Examples

• Titanic (Q25173) is instance of (P31) ship type passenger vessel (Q2055880) (that is a subclass of (P279) ship);
• USS YP-389 (Q185953) is instance of (P31) boat type patrol vessel (Q331795);
• U-96 (Q708124) is instance of (P31) submarine type U-boat (Q428661) and has vessel class (P289) German Type VIIC submarine (Q10374571);
• German Type VIIC submarine (Q10374571) is instance of (P31) submarine class (Q1428357) and subclass of (P279) Type VII submarine (Q167991);
• Type VII submarine (Q167991) is instance of (P31) submarine class (Q1428357) and subclass of (P279) U-boat (Q428661);
• U-boat (Q428661) is instance of (P31) submarine type (Q121289744) and subclass of (P279) submarine (Q2811).