Part A - General

Question 1

There rules shall apply….

Answer 1

To all vessels upon the high seas and in all waters connected therewith navigable by sea going vessels.

Question 2

Speacial rules appropriate authority…

Answer 2

Nothing in these rules shall interfere with the operation of any special rule made by an appropriate authority for roadsteads, harbours, rivers, lakes or inland waterways connected with the high seas and navigable by sea going vessels. Such special rules shall conform as closely as possible to these rules.

Question 3

Government of any state special rules

Answer 3

Nothing in these rules shall interfere with the operation of any special rules made by the government of any state with respect to the additional station or signal lights, shapes or whistle signals for ships of war and vessels proceeding under convoy, or with respect to additional station or signal lights, shapes or whistle signals shall, so far as possible, be such that they cannot be mistaken for any light, shape or signal authorized elsewhere under these rules.

Question 4

Traffic seperation schemes

Rule 1d

Answer 4

Traffic seperation schemes may be adopted by the organisation for the purpose of these rules.

Question 5

Vessel of special construction

Answer 5

Whenever the government concerned shall have determined that a vessel of special construction or propose cannot comply fully with the provisions of any of theses rules with respect to the number, position, range or arc of visibility of lights or shapes, as well as to the disposition and characteristics of sounds signaling appliances, such vessels shall comply with such other provisions in regard to the number, position, range or arc of visibility of lights or shapes, as well as to the disposition and characteristics of sound signalling appliances, as her government shall have determined to be the closest possible compliance with these rules in respect of that vessel.

Question 6

Exonerate

Answer 6

Nothing in these rules shall exonerate any vessel, or the owner, master or crew thereof, from the consequences of any neglect to comply with these rules or of the neglect of any precaution which may be required by the ordinary practice our seamen, or by the special circumstances of the case.

Question 7

Due regard

Rule 2b

Answer 7

In consturing and complying with these rules due regard shall be had to all dangers of navigation and collision and to any special circumstances, including the limitations of the vessels involved, which may make a departure from these rules necessary to avoid immediate danger.

Question 8

Define: Vessel

Answer 8

Every description of water craft, including non-displacement craft, WIG craft and seaplanes, used or capable of being used as a means of transportation on water.

Question 9

Define: power driven vessel

Answer 9

Any vessel propelled by machinery.

Question 10

Define: sailing vessel

Answer 10

Any vessel under sail provided that propelling machinery, if fitted, is not being used.

Question 11

Define: vessel engaged in fishing

Answer 11

Any vessel fishing with nets, lines, trawls or other fishing apparatus which restricts manoeuvrability, but does not include a vessel fishing with trolling lunges or other fishing apparatus which do not restrict manoeuvrability.

Question 12

Define: seaplane

Answer 12

Any aircraft designed to manoeuvre on the water.

Question 13

Defnine: vessel not under command

Answer 13

A vessel which through some exceptional circumstances is unable to manoeuvre as required by theses rules and is therefore unable to keep out of the way of another vessel

Question 14

Define: vessel restricted is her ability to manoeuvre

Answer 14

A vessel which from the nature of her work is restricted in her ability to manoeuvre as required by these rules and is therefore unable to keep out of the way of another vessel.

Question 15

List vessels restricted in their ability to manoeuvre

Answer 15

1. Vessels engaged in laying, servicing or picking up a navigation mark, submarine cable or pipeline.
2. Vessel engaged in dredging, surveying, or underwater operations.
3. Vessel engaged in replenishment or transferring persons, provision or cargo while underway.
4. Vessel engaged in launching of recovery of aircraft.
5. Vessel engaged in mineclearance operations.
6. Vessel engaged in a towing operation such as severely restricts the touring vessel and her tow in their ability to deviate from their course.

Question 16

Define: vessel constrained by draught

Answer 16

A power driven vessel which, because of her draught in relation to the available depth and width of navigable water, is severely restriced in her ability to deviate from the course she is following.

Question 17

Define: underway

Answer 17

A vessel that is not at anchor, or made fast to shore, or aground.

Question 18

Define: length

Answer 18

Her overall length

Question 19

Define: breadth

Answer 19

Greatest breadth

Question 20

Define: in sight

Answer 20

Vessel shall be deemed to be in sight of one another only when on be can be observed visually from the other.

Question 21

Define: restricted visibility

Answer 21

Any condition in which visibility is restriced by fog, mist, falling snow, heavy rainstorms, rainstorms or any other similar causes.

Question 22

Define: WIG craft

Answer 22

Wing-in-ground craft means a multimodal craft which, in its main operational mode, flied in close proximity to the surface by utilizing surface-effect action.

Question 23

Rule 4: lookout

Answer 23

Rules in this section apply in any condition of visibility.

Question 24

Lookout

Answer 24

Every vessel shall at all times maintain a proper lookout by sight and hearing as well as by all available means appropriate in the prevailing circumstances and conditions so as to make a full apprasial of the situation and risk of collision.

Question 25

Rule 6: Safe speed

Answer 25

Every vessel shall at all times proceed at a safe speed so that she can take proper and effective action to avoid collision and be stopped within a distance appropriate to the prevailing circumstances and conditions.

Question 26

Factors determining safe speed for all vessel

Answer 26

1. State of visibility
2. Traffic density including concentrations of fishing vessels or any pther vessels
3. Manoeuvrability of the vessel with special reference to stopping distance and turning ability in the prevailing conditions
4. At night the presence of background light such as from shore lights or from back scatter of her own lights
5. The state of wind, sea and current, and the proximity of navigational hazards
6. The draught in relation to the avaible depth of water

Question 27

Factors determining safe speed for vessels with operational radar

Answer 27

1. The characteristics, efficiency and limitations of the radar equipment
2. Any cpnstraints imposed by the radar range scale in use
3. The effect on radar detection of the sea state, weather and other sources of interference
4. The possibilities that small vessels, ice and other floating objects may not be detected by radar at an adequate range
5. The number of vessels, location and movement of vessels detected by radar
6. The more exact assessment of the visibility that may be possible when radar is used to determine the range of vessels or other objects in the vicinity