The Type 42 class has always suffered from cramped accommodation, a problem for crew safety and comfort, and also when finding space for upgrades.

Although both of the Type 010 class suffered damage, some severe, all were rapidly repaired and back on patrol with a few months.

Type 21 class may refer to:

The Type 205 is a direct evolution of the Type 201 class with lengthened hull, new machinery and sensors.

Both U-8 and U-5 were of the Type II class.

Type classes are closely related to parametric polymorphism.

Type classes permit multiple type parameters, and so type classes can be seen as relations on types.

Type classes: an exploration of the design space.

The first of the Type 062 class gunboat family was Type 0111-A(0111甲) with a total of 30 built.

Officially designated as fleet service ships, they replaced the Type 422 class.