Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Transportation Vehicles (hierarchy name)
5. vehicles (transportation)
6. watercraft
7. [watercraft by specific type]
8. [watercraft by function]
9. naval ships
10. warships
11. warships carrying projectile weapons

Anotations

Scope note:

Sailing warships carrying one or more heavy mortars or howitzers mounted on specially constructed platforms or in heavily reinforced pits; often ketch-rigged to give mortars a clearer field of fire forward and used in bombarding coastal towns or fortresses.