FSC Group 19: Ships, Small Craft, Pontoons, and Floating Docks
- 1905: Combat Ships and Landing Vessels
- 1910: Transport Vessels, Passenger and Troop
- 1915: Cargo and Tanker Vessels
- 1920: Fishing Vessels
- 1925: Special Service Vessels
- 1930: Barges and Lighters, Cargo
- 1935: Barges and Lighters, Special Purpose
- 1940: Small Craft
- 1945: Pontoons and Floating Docks
- 1950: Floating Drydocks
- 1955: Dredges
- 1990: Miscellaneous Vessels
- 19GP: Ships, Small Craft, Pontoons, and Floating Docks -- General