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Third Semester (BSMT) > COLREG (MIDTERM) > Flashcards

COLREG (MIDTERM) Flashcards

1
Q

means a white light placed over the fore and aft centerline of the
vessel showing an unbroken light over an arc of the horizon

A

Masthead light’

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2
Q

means a white light placed as nearly as practicable at the stern
showing an unbroken light over an arc of the horizon

A

Sternlight’

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3
Q

means a yellow light having the same characteristics as the
‘sternlight’

A

‘Towing light’

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4
Q

’ means a light showing an unbroken light over an arc of the horizon

A

All round light

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5
Q

means a light flashing at regular intervals at a frequency of _
flashes or more per minute

A

Flashing light’, 120

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6
Q

In inconspicuous, partly submerged vessels or objects being towed; (LIGHT)

A

a white all-
round light, 3 miles.

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7
Q

An air-cushion vessel when operating in the non-displacement mode shall, in
addition to the lights prescribed in paragraph (a) of this Rule exhibit an

A

all-round
flashing yellow light

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8
Q

A WIG craft only when taking off, landing and in flight near the surface shall, in
addition to the lights prescribed in paragraph (a) of this Rule, exhibit a high intensity

A

all-round flashing red lighT

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9
Q

one short blast to mean

A

‘I am altering my course to starboard

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10
Q

two short blasts to mean

A

‘I am altering my course to port

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11
Q

three short blasts to mean

A

‘I am operating astern propulsion’

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12
Q

one flash to mean

A

‘I am altering my course to starboard

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13
Q

two flashes to mean ‘

A

I am altering my course to port

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14
Q

three flashes to mean

A

‘I am operating astern propulsion

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15
Q

the duration of each flash shall be about,

A

one second

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16
Q

the interval between
flashes shall be about

A

one second,

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17
Q

and the interval between successive
signals shall be

A

not less than ten seconds

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18
Q

the light used for this signals shall, if fitted, be an all-round white light, visible
at a minimum range of _and shall comply with the provisions of _

A

5 miles , Annex
I to these Regulations

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19
Q

two prolonged blasts followed by one short blast to mean

A

‘I intend to
overtake you on your starboard side

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20
Q

two prolonged blasts followed by two short blasts to mean

A

‘I intend to
overtake you on your port side

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21
Q

one prolonged, one short, one prolonged and one short blast, in that order

A

the vessel about to be overtaken

22
Q

When vessels in sight of one another are approaching each other and from any
cause either vessel fails to understand the intentions or actions of the other, or is in
doubt whether sufficient action is being taken by the other to avoid collision, the
vessel in doubt shall immediately indicate such doubt by giving at least

A

five short and
rapid blasts on the whistle

23
Q

A vessel nearing a bend or an area of a channel or fairway where other vessels
may be obscured by an intervening obstruction shall sound

A

one prolonged blast

24
Q

If whistles are fitted on a vessel at a distance apart of more than 100 metres, _ only shall be used for giving manoeuvring and warning signals

A

one
whistle

25
Q

means height above the uppermost continuous deck.
This height shall be measured from the position vertically beneath the location of the
light.

A

‘height above the hull’

26
Q

when two masthead lights are carried the after one shall be at least

A

4.5 metres
vertically higher than the forward one

27
Q

The vertical separation of mastheadlights of power-driven vessels shall be such
that in all normal conditions of trim the after light will be seen over and separate from
the forward light at a distance of _ from the stem when viewed from sea
level.

A

1,000 meters

28
Q

The masthead light of a power-driven vessel of 12 metres but less than 20 metres
in length shall be placed at a height above the gunwale of not less than

A

2.5 metres

29
Q

The sidelights, if in a combined lantern and carried on a power-driven vessel of
less than 20 metres in length, shall be placed

A

not less than 1 metre below the
masthead light

30
Q

is interpreted as being a distance of not more than 10% of
the breadth of the vessel inboard from the side, up to a maximum of 1 metre. Where
the application of above requirement is impractical (e.g., small ships with
superstructure of reduced width) exemption may be given on the basis of the Flag
Authority acceptance.

A

“near the side”

31
Q

a ball shall have a diameter of

A

not less than 0.6 metre

32
Q

cone shall have a base diameter of

A

not less than 0.6 metre and a height equal
to its diameter

33
Q

a cylinder shall have a diameter of at least

A

0.6 metre and a height of twice its
diameter

34
Q

a diamond shape shall consist of

A

two cones as defined in (ii) above having a
common base

35
Q

The vertical distance between shapes shall be at least

A

1.5 metres.

36
Q

The maximum luminous intensity of navigation lights should be limited to avoid

A

undue glare

37
Q

shall so far as practicable comply with the minimum intensities, as
specified in the Table given in Section 8 of this Annex

A

Non-electric lights

38
Q

is the height of the mainmast light above the fore mast light in metres

A

y

39
Q

is the height of the foremast light above the water surface in service condition
in metres

A

a

40
Q

is the trim in service condition in degrees

A

Ψ

41
Q

is the horizontal separation of masthead lights in metres

A

C

42
Q

The lights mentioned herein shall, if exhibited in pursuance of Rule 26(d), be placed
where they can best be seen. They shall be at least 0.9 metre apart but at a lower
level than lights prescribed in Rule 26(b)(i) and (c)(i). The lights shall be visible all
round the horizon at a distance of at least 1 mile but at a lesser distance than the
lights prescribed by these Rules for fishing vessels

A

ANNEX II
ADDITIONAL SIGNALS FOR FISHING VESSELS FISHING IN CLOSE
PROXIMITY

43
Q

when shooting their nets :

A

two white lights in a vertical line

44
Q

when hauling their nets :

A

one white light over one red light in a vertical line

45
Q

when the net has come fast upon an obstruction :

A

two red lights in a vertical
line

46
Q

a smoke signal giving off

A

orange-coloured smoke

47
Q

a rocket parachute flare or a hand flare showing a

A

red light

48
Q

means any sound signalling appliance capable of producing the
prescribed blasts and which complies with the specifications in Annex III to these
Regulations

A

‘whistle’

49
Q

means a blast of about one second’s duration

A

short blast’

50
Q

means a blast of from four to six seconds’s duration

A

prolonged blast’

51
Q
A

Third Semester (BSMT) (15 decks)

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