5 Flashcards
It is 1300H on a clear sunny day. You are at anchor. Are you required to fly the day shapes associated with anchoring?
YES or NO. Why?
YES.
The Rules concerning shapes shall be complied by day.
Its is 1300H. You are sailing EASTBOUND on the TSS along the Singapore Straits. It starts to rain heavily. Do you turn on your navigation lights?
YES or NO. Why?
YES.
The lights prescribed by these Rules shall, if carried, also be exhibited from sunrise to sunset in restricted visibility and may be exhibited in all other circumstances when it is deemed necessary.
Define ‘masthead light’
White light placed over the fore-and-aft centreline of the vessel showing an unbroken light over an arc of the horizon of 225degrees and so fixed so as to show the light from right ahead to 22.5degrees abaft the beam on either side of the vessel.
https://drive.google.com/open?id=1OC3NCiz8eyn-ePghv_SuRPfeTyKcQO5M
Define ‘sidelights’
A green light on the starboard side and a red light on the port side each showing an unbroken light over an arc of the horizon of 112.5degrees and so fixed as to show the light from right ahead to 22.5degrees abaft the beam on its respective side. In a vessel of less than 20m in length the sidelights may be combined in one lantern carried on the fore-and-aft centreline of the vessel.
https://drive.google.com/open?id=1OC3NCiz8eyn-ePghv_SuRPfeTyKcQO5M
Define ‘sternlight’
A white light placed nearly as practicable at the stern showing an unbroken light over an arc of the horizon of 135degrees and so as fixed to show the light 67.5degrees from the right aft on each side of the vessel.
https://drive.google.com/open?id=1OC3NCiz8eyn-ePghv_SuRPfeTyKcQO5M
Define ‘towing light’
A yellow light having the same characteristics as the sternlight.
https://drive.google.com/open?id=1zBhG6EMPXvr1Mn98x3nPUEvX5LDKxFDp
Define ‘all-round light’
A light showing an UNBROKEN LIGHT over an arc of the horizon of 360degrees
Define ‘flashing light’
A light flashing at regular intervals at a frequency of 120 flashes or more per minute.
Visibility of navigation lights for a ship 50m or more in length?
Masthead light - 6nm Sidelights - 3nm Stern light - 3nm Towing light - 3nm A white, red or yellow all-round light - 3nm
Visibility of navigation lights for a ship 12m or more but less than 50m in length?
Masthead light - 5nm; except if the vessel is less than 20m - 3nm
Sidelights - 2nm
Stern light - 2nm
Towing light - 2nm
A white, red or yellow all-round light - 2nm
Visibility of navigation lights for a ship less than 12m length?
Masthead light - 2nm Sidelights - 1nm Stern light - 2nm Towing light - 2nm A white, red or yellow all-round light - 2nm
Visibility of navigation lights for a inconspicuous, partly submerged vessel or objects being towed?
A white all-round light - 3nm
A power-driven vessel underway shall exhibit the following lights.
A masthead light forward.
A second masthead light abaft of and higher than the forward one; except that a vessel of less than 50m in length shall not be obliged to exhibit such light but may do so.
Sidelights
Sternlight
https://drive.google.com/open?id=1rHOsFSBNqZjMj5u46oGV4874GHMUBSm0
You see a vessel showing lights of a power-driven vessel underway. In addition to that, you see an all-round flashing yellow light.
What kind of vessel is it?
It is an air-cushion vessel (hovercraft) when operating in the non-displacement mode.
https://drive.google.com/open?id=13GPweXq0kabHJCViIdfn-7TTTvdMLN4d
You see a vessel showing lights of a power-driven vessel underway. In addition to that, you see an all-round flashing red light.
What kind of vessel is it?
It is a WIG craft when taking off, landing and in flight near the surface.
https://drive.google.com/open?id=1N1rjJIJr9Wtd9HQyselxvhGQVoyLkGjH
