Seamanship 12-week
Terms
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- Hull
- main body
- Bilge
- intersection of side and bottom plating
- Frames
- fastened to the keel and divides into vertical rows of compartments
- Keel
- backbone
- Bulwark
- wall of main deck
- Ballast
- weight in the hull of the ship to provide stability
- X-Ray
- least protective, easy passage for operations, during workday
- Yoke
- x/y fittings secured, maintained at sea after working hours
- Circle X-Ray
- closed during x/y/z, may be opened with special permission to pass from one area to another
- Zebra
- highest degree of readiness, set while entering/leaving port or during General Quarters, also set to control fire and flooding x/y/z fittings secured
- Cirle Yoke
- closed during yoke and zebra, may be opened with permission while proceeding to battle stations ex. missile doors, ammunition hatches, and decontamination stations
- Dog Zebra
- darken ship
- William
- if secured would empair the mobility and fire protection otf the ship, kept open during all conditions
- Circle William
- normally kept open but must be secured against chem/bio/radio attack
- Labeling a Compartment
- Deck #, Frame #, Relation to Centerline, Compartment Description