R.21 Definitions
R.23 Power Driven V.
R.24 Towing
R.25 Sailing
R.26 Fishing
R. Not Under Cmd/RAM
Pilot/Anchor/Aground
100
*INLAND ONLY*
It must be yellow in color.
It must be placed as far forward as possible.
It must not show through an arc of more than 225°.
What is a "Special Flashing Light"?
100
Based on the lighting configuration, What is this vessels length?
>= 50 meters
100
INTERNATIONAL ONLY
What lights are required for a single barge being towed alongside?
Sidelights and a stern light
100
What size vessel is authorized to use an electric torch or lighted lantern to prevent collision?
A vessel < 7 meters or a vessel under oars
*Must say at least 1 of 2
100
Both International & Inland
What day shape is used to signify a vessel is engaged in fishing?
100
International & Inland
What do the day shapes depict?
A Vessel Not Under Command
100
Both International & Inland
A Pilot vessel will display what lights when engaged in PILOTAGE DUTY less than 50 meters?
(2) all-round lights in a vertical line
upper white
lower red
200
Arc of visibility for a green sidelight
112.5 degrees
200
Both International & Inland
A WIG craft will only exhibit an all-round high intensity red light when doing what (3) things?
*Must answer 2 of 3.
Landing
Taking-Off
or flying near the surface
200
Based on the photo below, what length is the towing vessel and the vessel being towed?
Towing Astern
Towing Vessel <50 meters
Vessel being towed > 200 meters
200
BOTH INTERNATIONAL & INLAND A sailing vessel underway may exhibit __________
a red light over a green light at the masthead
200
During the day, this shape is used to signify what?
There is outlying gear extending > 150 meters horizontally from the vessel
200
Both International & Inland
This vessel is:
Restricted in the Ability to Maneuver
200
Both International & Inland
What is the day shape for a vessel at Anchor?
(1) Black Ball
300
Arc of Visibility for an All-round light
360 degrees
300
BOTH INTERNATIONAL & INLAND While underway at night you are coming up on a vessel from astern. What lights would you expect to see?
One white light
300
DOUBLE JEOPARDY
What is the following picture depicting?
location, length, side
300
Both International & Inland
This day shape is used to signify: 
A vessel proceeding under sail when also being propelled by machinery
300
Both International & Inland
What type of vessel displays (2) all-round lights in a vertical line, upper being green and lower being white?
A Fishing Vessel: Engaged in TRAWLING
300
BOTH INTERNATIONAL & INLAND A vessel will NOT show sidelights when __________.
not under command, not making way
300
Both International & Inland
A vessel Aground less than 50 meters SHALL exhibit what the lights?
All-round white light
(2) All-round red lights in a vertical line
400
BOTH INTERNATIONAL & INLAND The arc of visibility for sidelights is from right ahead to __________.
22.5° abaft the beam
400
BOTH INTERNATIONAL & INLAND An all-round flashing yellow light may be exhibited by a(n) __________.
air cushion vessel in the non-displacement mode
400
INLAND ONLY A special flashing light is used on a vessel(s) __________.
Being pushed ahead
& Towed alongside
400
BOTH INTERNATIONAL & INLAND A sailing vessel is NOT allowed to show the all-round red over green lights on the mast if __________.
her sidelights are combined and shown on the fore and aft center line of the vessel
400
Both International & Inland
A 65-meter fishing vessel engaged in trawling, not making way shall exhibit what lights?
(2) all-round lights in a vertical line, upper green, lower white, and a MASTHEAD LIGHT abaft of and higher than the lights prescribed above
400
Double Jeopardy
Rule 28
What location will you see this? Intl, Inland, both?
400
Both International & Inland
What is the day shape for a vessel aground?
(3) Black Balls
500
Characteristics of a Flashing Light IAW the Navigation Rules Handbook definition
A light flashing at 120 flashes or more per minute
500
BOTH INTERNATIONAL & INLAND A 30-meter tug is underway and NOT towing. At night, this vessel must show sidelights and __________.
one masthead light and a stern light
500
International Only
The inconspicuous towed vessel exceeds 200 meters
500
BOTH INTERNATIONAL & INLAND Which vessel may combine her sidelights and stern light in one lantern on the fore and aft centerline of the vessel
A vessel < 20 meter sailing vessel
500
Both International & Inland
When MAKING WAY THROUGH THE WATER, a fishing vessel, less than 50 meters, will show what lights?
Two all-round lights in a vertical line, upper being red, lower being white, sidelights, and a sternlight
500
International & Inland
What do the lights depict?
A vessel not under command & making way
*Must get both to get points
500
Both International & Inland
A vessel of __1__ meters and more in length, ___2___ use the available working or equivalent lights to illuminate her decks.
1. 100
2. SHALL