BSc Nautical Sciences Cargo Work and Marine Communication Syllabus - Mumbai University 2026

Module I: CARGO GEAR

• Blocks: Parts of a block, different types of block, non-toppling and snatch blocks. External binding. Internal binding. Strapped. Markings on a block. Size of a block and sheave, size of rope to be used in a block. Relationship between diameter of sheave and diameter of rope. Overhauling of block. Tackles: Names of parts of a tackle, using a tackle to advantages or disadvantage. Mechanical advantage, velocity ratio or ‘power gained’, efficiency of a tackle; relationship between pull on the hauling part and load. Types of tackles/purchases used on ships. Shackles: Various types. Markings on shackles.Tonsberg & Mandal Shackles MARINE COMMUNICATION 5 Hrs. Meaning of bunting, halyard, at the dip, close up, half mast, hoist, fly, tackline

Module II: Cargo hooks: Various types. Markings on cargo

• hooks. Ropes: Care of ropes and wires used for cargo gear. Derrick rigs: The union purchase. Setting up of a union purchase. Importance of preventer guys. Maximum load to be used for angle between runners. Swinging derrick with powered guys. Putting winches in double gear. The Yo-Yo gear. Working of ships cranes. Hoisting, lowering and securing a derrick. MARINE COMMUNICATION 5 Hrs. Courtesy flag, ship’s numbers, jack flag, quarantine flag, pilot flag, blue peter.

Module III: Stresses: Calculating the stresses in various

• parts of a derrick rig. Calculating the tension on ropes and wires of a purchase and finding the correct size to be used. MARINE COMMUNICATION Location on a ship of jack staff. Ensign staff, 5 Hrs. Gaff, Triatic stay, foremast yardarm, main mast head. What flags are hoisted from these parts of ship and when.

Module Practical

• 1. To send and receive signals visually by Morse code
• 2 Recognition of national flags of all countries,
• 3 Recognition of house flags and funnels of Indian Shipping Companies
• 4 Recognition of flags denoting numbers and flags used as substitutes
• 5 How to bend on or unbend a flag from halyard.
• 6 Breaking a flag at close up
• 7 Flag hoisting practice at colours and sunset

Reference Books

This paper runs across both semesters of the year and the University prints one list of reference books for it, at the end of the second half. Her list is repeated here so that this half is not read as a paper she recommends no reading for.

• 1 Theory and Practice of Seamanship Danton
• 2 Seamanship Notes Kemp & Young
• 3 Cargo Work Kemp & Young
• 4 Cargo Work for Ship’s officers Capt. E. Fernandes
• 5 Cargo Work & Maintenance Capt. E. Fernandes
• 6 International Code of Signals HMSO
• 7 Stowage of Cargo Capt. O.O. Thomas