Cathead ship class is a series of four templates.

  • {{Cathead ship class}} is the original and standard; it works as:
    • {{cathead ship class|Nimitz|aircraft carrier|United States Navy}}
      • produces
This category contains the Nimitz-class aircraft carriers of the United States Navy.
  • {{Cathead ship class 2}} is a non-italic form; it works as:
    • {{cathead ship class 2|Flower|corvette|Royal Navy}}
      • produces
This category contains the Flower-class corvettes of the Royal Navy.
  • {{Cathead ship class 3}} is the original for disambiguated types; it works as:
    • {{cathead ship class 3|St. Louis|cruiser|1905|United States Navy}}
      • produces
This category contains the St. Louis-class cruisers of the 1905 type of the United States Navy.
  • {{Cathead ship class 4}} is a non-italic form of 3; it works as:
    • {{cathead ship class 4|Glen|tug|1975|Royal Canadian Navy}}
      • produces
This category contains the Glen-class tugs of the 1975 type of the Royal Canadian Navy.