Term
| Single all-round white light |
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Definition
Power-driven, less than 7 meters (23 feet), speed 7 knots or less
or
Dracone
or
Vessel at anchor, less than 50 meters |
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Term
Single all-round white light
Sidelights |
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Definition
| Power-driven vessel less than 12 meters (39 feet) |
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Term
Masthead light
Sidelights
Stern light |
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Definition
Power-driven vessel, more than 12 meters (39 feet) in length, less than 50 meters (164 feet) in length
or
Composite unit, less than 50 meters (164 feet) in length |
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Term
Masthead light forward
Masthead light aft, higher than forward masthead light
Sidelights
Stern light |
|
Definition
Power-driven vessel, over 50 meters (164 feet) in length
or
Composite unit, greater than 50 meters (164 feet) in length |
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Term
Two masthead lights in vertical line
Sidelights
Stern light
Towing light |
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Definition
| Power-driven vessel towing, tow is less than 200 meters (656 feet) |
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Term
Three masthead lights in vertical line
Sidelights
Stern light
Towing light |
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Definition
| Power-driven vessel towing, tow greater than 200 meters (656 feet) |
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Term
|
Definition
Power-driven vessel towing, Tow greater than 200 meters (656 feet)
or
Vessel being towed when tow is greater than 200 feet (656 feet)
or
Aft end of partially submerged vessel or object being towed (additional diamond shape as far forward as practical if tow exceeds 200 meters (656 feet)) |
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Term
Two masthead lights
Sidelights
Stern light |
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Definition
| Power-driven vessel, pushing ahead or towing alongside (International) |
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Term
Two masthead lights
Sidelights
Two towing lights |
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Definition
| Power-driven vessel, pushing ahead or towing alongside (Inland) |
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Term
|
Definition
Vessel being towed alongside (International)
or
Sailing vessel underway
or
Vessel under oars |
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Term
Sidelights
Stern light
Forward special flashing light |
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Definition
| Vessel being towed alongside (Inland) |
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Term
|
Definition
| Vessel being pushed ahead (International) |
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Term
Sidelights
Forward special flashing light |
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Definition
| Vessel being pushed ahead (Inland) |
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Term
|
Definition
| Partly submerged vessel or object, less than 25 meters (82 feet) in breadth |
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Term
|
Definition
| artly submerged vessel or object, greater than 25 meters (82 feet) in breadth |
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Term
| Combined sidelights and stern light at top of mast |
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Definition
Sailing vessel underway less than 20 meters
or
Vessel under oars |
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Term
Sidelights
Stern light
2 all-round lights in vertical line at top of mast, upper red, lower green |
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Definition
Sailing vessel underway
or
Vessel under oars |
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Term
| White only electric torch or lighted lantern (flashlight) |
|
Definition
Sailing vessel underway, less than 7 meters
or
Vessel under oars |
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Term
| Conical day shape, apex downward |
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Definition
| Day shape for sailing vessel propelled by machinery |
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Term
| Two all-round lights, upper green, lower white |
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Definition
| Vessel trawling, less than 50 meters |
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Term
Two all-round lights, upper green, lower white
Masthead light abaft and higher than green light |
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Definition
| Vessel trawling, greater than 50 meters |
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|
Term
Sidelights
Stern light
Two all-round lights, upper green, lower white |
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Definition
| Vessel trawling, making way |
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Term
| Two conical day shapes apexes together in a vertical line |
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Definition
| Day shape for vessel trawling or vessel fishing |
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Term
| Two all-round lights, upper red, lower white |
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Definition
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|
Term
Two all-round lights, upper red, lower white
All-round white light |
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Definition
| Vessel fishing, gear extended more than 150 meters, white light is toward gear |
|
|
Term
Sidelights
Stern light
Two all-round lights, upper red, lower white |
|
Definition
|
|
Term
Two conical day shapes apexes together in a vertical line
Single conical day shape apex upward |
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Definition
| Vessel fishing, gear extended out more than 150 meters, single day shape in direction of extended gear |
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Term
| Two all-round red lights in vertical line |
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Definition
| Vessel not under command, not making way |
|
|
Term
Sidelights
Stern light
Two all-round red lights in vertical line |
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Definition
| Vessel not under command, making way |
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Term
| Two balls in a vertical line |
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Definition
| Day shape for vessel not under command |
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Term
| 3 all-round lights in vertical line, upper and lower red, middle white |
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Definition
Vessel restricted in its ability to maneuver, not making way
or
Vessel engaged in diving operation |
|
|
Term
Sidelights
Stern light
3 all-round lights in vertical line, upper and lower red, middle white |
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Definition
| Vessel restricted in its ability to maneuver, making way |
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Term
| 3 shapes, upper and lower are balls, middle is a diamond |
|
Definition
| Day shape for a vessel restricted in its ability to maneuver |
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Term
Sidelights
Stern light
2 masthead lights in a vertical line
3 all-round lights in a vertical line, upper and lower are red, middle is white |
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Definition
| Vessel towing which is restricted in its ability to maneuver |
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Term
3 all-round lights in a vertical line, upper and lower are red, middle is white
2 red all-round lights on one side
2 green all-round lights on other side |
|
Definition
Vessel restricted in its ability to maneuver with obstruction not making way.
Red lights indicate obstruction, green lights indicate side on which it is safe to pass |
|
|
Term
Masthead light
Sidelights
Stern light
3 all-round lights in a vertical line, upper and lower are red, middle is white
2 red all-round lights on one side
2 green all-round lights on other side |
|
Definition
Vessel restricted in its ability to maneuver with obstruction making way.
Red lights indicate obstruction, green lights indicate side on which it is safe to pass |
|
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Term
3 shapes, upper and lower are balls, middle is a diamond
2 balls on one side
2 diamonds on other side |
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Definition
Day shape for vessel restricted in its ability to maneuver with an obstruction.
balls indicate obstruction, diamonds indicate side on which it is safe to pass |
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Term
| Rigid replica of international code flag “A” |
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Definition
| Vessel engaged in diving operations |
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Term
| 3 all-round green lights, one at masthead, one at each end of fore yard. |
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Definition
| Vessel engaged in mine clearing. Distance of 1,000 meters required. |
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Term
Sidelights
Stern light
Mastheat light(s)
3 all-round red lights in a vertical line |
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Definition
| Vessel constrained by her draft (International) |
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Term
| 2 all-round lights, upper is white, lower is red. |
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Definition
| Pilot vessel, not making way |
|
|
Term
2 all-round lights, upper is white, lower is red
Sidelights
Stern light |
|
Definition
|
|
Term
| 2 all-round white lights, aft light lower than fore light |
|
Definition
| Vessel at anchor greater than 50 meters |
|
|
Term
2 all-round white lights, aft light lower than fore light
Deck lights illuminated |
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Definition
| Vessel at anchor 100 meters or more in length |
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Term
|
Definition
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|
Term
Anchor lights
2 all-round red lights in a vertical line |
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Definition
| Vessel aground greater than 12 meters |
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Term
| 3 ball day shapes in a vertical line |
|
Definition
| Vessel aground greater than 12 meters |
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