NS101-1 SHIP FUNDAMENTALS Flashcards
KEEL
THE SPINE OF THE SHIP. RUNS FROM BOW TO STERN.
FRAMES
RIBS OF THE SHIP AND FASTENED TO THE KEEL. NUMBERED STARTING AT THE BOW.
LONGITUDINAL FRAME
RUNS BOW TO THE STERN PARALLEL TO THE KEEL.
PLATING
THE SKIN OF THE SHIP (OUTER, DECK, INNER BOTTOM).
BILGE
LOWEST POINT ON THE SHIP AND BELOW THE ENGINEERING SPACES. SLIGHTLY BOWL SHAPED TO COLLECT FUEL OR OTHER FLUIDS THAT DRIP FROM THE ENGINEERING SPACES.
LENGTH OVERALL (LOA)
TOTAL LENGTH OF THE SHIP FROM BOW TO STERN.
STEM
FORWARD END OF THE KEEL EXTENDING UP THE BOW.
STERN POST
AFT END OF THE KEEL EXTENDING UP THE STERN.
PROPELLER
ALSO KNOWN AS A SCREW. PRIMARY MEANS OF PROPULSION ON A SHIP.
MAST
MOUNTING POINT FOR RADAR AND TELECOMMUNICATION EQUIPMENT.
RUDDER
PRIMARY MEANS OF STEERING A SHIP.
MAIN DECK
THE UPPERMOST SHELTERED DECK THAT RUNS THE ENTIRE LENGTH OF A VESSEL. ALSO KNOWN AS THE 1ST DECK.
WEATHERDECK
ANY PORTION OF THE MAIN DECK AND LEVEL(S) THAT IS OUTSIDE.
LIFELINES
LINES ERECTED AROUND THE EDGES OF THE MAIN AND WEATHERDECKS FOR THE PURPOSE OF SAFETY.
LENGTH AT THE WATERLINE (LWL)
LENGTH OF THE SHIP UNDER THE WATER.
WATERLINE
WHERE THE HULL MEETS THE SURFACE OF THE WATER.
FREEBOARD
AMOUNT OF HULL THAT CAN BE SEEN FROM THE WATERLINE TO THE MAIN DECK. MEASURED IN FEET.
FORECASTLE
THE PART OF THE MAIN DECK AFT, OFTEN WHERE THE FLIGHTDECK IS LOCATED.
DRAFT
VERTICAL DISTANCE FROM WATERLINE TO KEEL, MEASURED IN FEET. INDICATES DEPTH OF WATER NEEDED FOR SHIP TO FLOAT. CHANGES AS THE SHIP BURNS OR TAKES ON FUEL, STORES, WEAPONS, ETC…
TRIM
THE RELATIONSHIP BETWEEN FORE AND AFTER DRAFT. “IN TRIM”, “DOWN BY THE BOW”, OR “DOWN BY THE STERRN”
LIST
BALANCE OF THE SHIP. “LISTING PORT” OR “LISTING STARBOARD”
PROPELLERS
ROTATION OF THE PROPELLERS PROVIDES THRUST FOR THE SHIP TO MOVE THROUGH THE WATER. CAN BE CONTROLLED FROM VARIOUS LOCATIONS THROUGHOUT THE SHIP FOR REDUNDANCY AND SAFETY. (BRIDGE, CCS, ENGINE ROOM)
RUDDERS
POSITIONING OF THE RUDDERS CONTROL THE DIRECTION THAT THE SHIP TRAVELS BASED ON FLOW. CAN BE CONTROLLED FROM VARIOUS LOCATIONS THROUGHOUT THE SHIP FOR REDUNDANCY AND SAFETY. (BRIDGE, AFT, STEERING)
DECK
NAUTICAL TERM FOR ALL FLOORS THAT ARE BELOW THE MAIN DECK.
LEVEL
NAUTICAL TERM FOR ALL FLOORS THAT ARE ABOVE THE MAIN DECK.