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 method of propulsion]
9. sailing vessels
10. [sailing vessels by rig type]
11. square-rigged vessels
12. two-masted square-rigged vessels

Anotations

Scope note:

Two-masted vessels, square-rigged on both masts, with the mainmast forward of and taller than the mizzen; in use between the late 17th and early 19th centuries. For similar two-masted vessels, but with fore-and-aft rigs and in use since the mid-19th century, use "ketches (fore-and-aft-rigged vessels)."