JYian NCC

Nautical Knowledge

Materials Needed

• One Plastic File – To Store All Notes (Ring File)

• Foolscap Papers– To Take Down Notes– Printed notes will not be provided from us

unless very important data that need to be memorized

• Pens

Objectives

• Know General Sea Terms

• Sea Measurement

• Terms Relating to a Ship

Reasons for this lesson

• Must learn more general nautical terms and expressions

• Prepare for Prof. Test

• Part As: Learn Objectives

• Part Bs & Cs: Recap Objectives

General Sea Terms

General Sea Terms

1. Adrift:- Being absent or late for an appointment

2. Alongside:- To proceed to the side of a ship or dock

3. Bright work:- Polishing of metal fittings

4. Eye:- Usually talking about a small hole or loop

5. Foul:- Entangled, obstruction or dirty

General Sea Terms

6. Fender:- A cushion between boats

7. Galley:- Kitchen

8. Gash:- Rubbish

9. Heads:- Toilet

10.Hoist:- Raise, Elevate

11.Jack Staff:- Flag pole at the front part of the ship

12.Leeward:-Side of the ship that is opposite the wind

General Sea Terms

13.Liberty:- Leave to go ashore

14.Mast:- A pole placed upright on top of the superstructure

15.Pontoon:- A portable boat

16.Rudder:- A instrument that steers the ship

17.Wash:- Waves created by moving ship

General Sea Measures

Sea Measurement

1. Fathom

2. Cable

3. Nautical Mile (Knot)

4. Shackle

Fathom

1 Fathom = 6 feet ≈ 1.8 Meters

It is a general unit for measuring ropes and

depth of waters

Cable

1 Cable = 1/10 Nautical Mile = 608 feet ≈ 1.85Meters

It is a unit for measuring short distances at sea.

Nautical Mile

1 Nautical Mile = 6080 feet ≈ 1.85 KM

It is a unit for measuring long

distances at sea.

Knots:- A term expressed as nautical mile per hour

(e.g.: 10 Knots = 10 Nautical Miles Per Hour)

Shackle

1 Shackle = 90 feet ≈ 27 Meters

It is a unit for measuring length of the

ship’s anchor cable.

Terms Relating to A Ship

Parts of a Ship

Superstructure

HullCompartment

Fig 1a:- Parts Of A Ship

The Hull

Aft Part MidshipPart

ForwardPart

Fig 1b:- The Hull

The Superstructure

Fig 1c:- The Superstructure

Bridge

Galley Officer’s Country

The Compartments

Fig 1d:- The Compartments

Forepeak

Tiller Flat

Gunbay / Magazine

Mess

Engine Room

Electronic Room

Combat Information

Centre(CIC)

Terms Applied to the Hull

Fig 2a:- Terms Applied to the Hull

BowStern

Keel

Weather Deck Mess Deck Weather Deck

Terms Applied to the Hull

Fig 2b:- Terms Applied to the Hull

Water LineFreeboard

Draught

Quarterdeck Foredeck

Terms Applied to the Hull

1. Bulkheads : - Walls

2. Deckheads:- Ceilings

3. Hatches :- Horizontal Doors (watertight)

4. Door :- Vertical Doors (watertight)

Terms Defining Position and Direction

Amidships

FacingForward

Port(Left)

Starboard(Right)

Aft(Back)

Fore(Front)

Fig 3 : A ship Direction

Terms Defining Position and Direction

1. Inboard :- A Person onboard a Ship

2. Outboard:- A Person outside a Ship

3. Ahead:- Moving Forward

4. Astern:- Moving Backwards

5. Abeam:- ≈ 90° to Port / Starboard

6. Abreast:- 2 Ships on the Same level and direction (Parallel)