Rule 30: Anchored Vessels & Vessels Aground | Lights & Shapes In Depth
Summary
TLDRThis video explains Rule 30 for vessels at anchor or aground, detailing light and shape requirements. Ships under 50m show one white light, those over 50m display two, with the stern light lower. Deck lights are mandatory for vessels over 100m. Aground vessels must show two red lights vertically, and smaller vessels under 7m are exempt unless in navigation areas. Under 12m vessels don't need to indicate being aground.
Takeaways
- 🚢 Rule 30 of the video discusses the lighting requirements for anchored vessels and vessels aground.
- 🌟 Vessels over 50 meters must exhibit an all-round white light both forward and aft, with the stern light at a lower level than the forward light.
- 🛥 Vessels under 50 meters can display a single all-round white light in the best visible location instead of the two lights required for larger vessels.
- 🏴☠️ The day signal for both size categories is one ball, indicating the presence of the vessel.
- 💡 Vessels over 100 meters in length are required to illuminate their decks using working or equivalent lights.
- 🚢🚧 A vessel aground must show the lights as prescribed in paragraphs A or B, plus two all-round red lights in a vertical line, or three balls by day.
- 🚧 Vessels aground must exhibit additional red lights to signify their grounded state.
- 🛶 Vessels under 7 meters are exempt from the lighting requirements unless they are in a narrow channel, fairway, anchorage, or where other vessels navigate.
- 🚫 Vessels under 12 meters are not required to exhibit lights or shapes indicating they are aground.
- 🔦 Deck lights are optional for vessels under 100 meters, but mandatory for those over 100 meters when anchored.
- 📚 The video concludes with a reminder that the information provided is intended to be useful for understanding Rule 30.
Q & A
What is the main focus of the video script?
-The video script focuses on explaining Rule 30 of the International Regulations for Preventing Collisions at Sea (COLREGS), specifically regarding the lights and shapes that anchored vessels and vessels aground must exhibit.
According to Rule 30, what is the requirement for a tanker to exhibit when anchored?
-A tanker, when anchored, must exhibit an all-round white light where it can best be seen, one ball at the stern, and at a lower level than the lights, another all-round white light.
What is the difference in lighting requirements for vessels less than 50 meters in length compared to those over 50 meters?
-Vessels less than 50 meters in length may exhibit a single all-round white light where it can best be seen, instead of the two lights required for vessels over 50 meters.
What additional lighting is required for vessels anchored at or above 100 meters in length?
-For vessels 100 meters or more in length, in addition to the all-round white lights, they must also use available working or equivalent lights to illuminate their decks.
What does paragraph D of Rule 30 state about a vessel aground?
-A vessel aground must exhibit the lights prescribed in paragraphs A or B (two all-round white lights if over 50 meters, or one if under) and, in addition, two all-round red lights in a vertical line or, by day, three balls in a vertical line.
Are there any exemptions for vessels less than 7 meters in length regarding the lights or shapes prescribed in Rule 30?
-Yes, vessels less than 7 meters in length are exempt from exhibiting the lights or shapes prescribed in paragraphs A or B of Rule 30 when not in or near a narrow channel, fairway, anchorage, or where other vessels normally navigate.
What is the exemption for vessels less than 12 meters in length when aground?
-Vessels less than 12 meters in length are not required to exhibit the lights or shapes prescribed in subparagraph D one or two when aground.
How does the script use diagrams to aid in understanding Rule 30?
-The script uses diagrams to visually represent the different lighting configurations required for vessels of varying lengths and situations, such as being anchored or aground.
What is the significance of the day signal of one ball mentioned in the script?
-The day signal of one ball is used to represent the all-round white light required for vessels, especially when the vessel is less than 50 meters in length or aground.
Can you provide an example of how the lights should be positioned on a vessel over 50 meters in length?
-For a vessel over 50 meters in length, there should be two all-round white lights, one at the forward end and one at the after end, with the after light being at a lower level than the forward light.
What is the purpose of the lights and shapes required by Rule 30?
-The purpose of the lights and shapes required by Rule 30 is to increase the visibility of anchored vessels and vessels aground, ensuring the safety of navigation by helping other vessels to identify and avoid potential collisions.
Outlines
🚢 Anchored Vessel Lighting Rules
This paragraph outlines the lighting requirements for anchored vessels as per Rule 30. It begins by explaining that tankers should exhibit an all-round white light or a ball at the stern, with additional lights if over 50 meters in length. Vessels under 50 meters may use a single all-round white light. For vessels over 100 meters, deck lights are mandatory to illuminate the deck. The paragraph also covers the specific lighting for aground vessels, which includes the standard lights plus two all-round red lights or three balls by day. The video script uses a diagram to illustrate these requirements.
🚤 Exemptions for Small Vessels
The second part of the script discusses exemptions for smaller vessels. It states that vessels under seven meters in length are not required to exhibit the lights or shapes prescribed by Rule 30, unless they are navigating in areas typically used by other vessels. Additionally, vessels less than 12 meters in length are exempt from displaying the aground signals if they are aground, unless they are in a narrow channel, fairway, anchorage, or where other vessels navigate.
Mindmap
Keywords
💡Rule 30
💡Vessels
💡Anchored Vessels
💡Aground Vessels
💡All-Round White Light
💡Ball
💡Length
💡Deck Lights
💡Lights Prescribed
💡Exempt
💡Diagram
Highlights
Rule 30 focuses on the display of lights and shapes for anchored vessels and vessels aground.
Tankers and vessels exhibit an all-round white light or a ball at the stern for visibility.
Vessels under 50 meters may show a single all-round white light instead of multiple lights.
For vessels over 50 meters, two all-round white lights are required, one forward and one aft, with the aft light being lower.
Vessels over 100 meters should illuminate their decks using available working lights.
Deck lighting is optional for vessels under 100 meters.
Aground vessels must display two all-round red lights vertically in addition to the anchor lights.
A vessel aground less than 12 meters is not required to exhibit lights or shapes indicating grounding.
Vessels under 7 meters are exempt from light requirements unless navigating in specific areas.
The rule applies to tankers and other vessels, with specific conditions for size and grounding.
Diagrams are used to visually represent the required lights and shapes for different vessel sizes.
The video explains the importance of proper lighting for safety and visibility at sea.
Different rules apply based on the vessel's length and whether it is anchored or aground.
The video provides a clear explanation of maritime lighting rules for various vessel conditions.
Understanding Rule 30 is crucial for ensuring navigational safety and compliance.
The video concludes with a summary of Rule 30 and its practical applications.
The presenter thanks viewers for watching and invites them to return for future videos.
Transcripts
hello and welcome to today's video where
we're looking at rule 30 recovering
anchored vessels and vessels are ground
as always we'll look at the rule itself
and apply it with the help of the
diagram so straight in with paragraph a
a vessel a tanker shall exhibit where it
can best be seen in the four part an
all-round white light or one ball at
Illinois the stern and at a lower level
than the lights prescribed in the first
paragraph an all-round white light and
we're going to go straight ahead with
paragraph B as well because that links
in with this and it says of s less than
fifty meters in length may exhibit an
all-round white light where it can best
be seen instead of the lights prescribed
in paragraph a of this rule so all this
says is if you're less than fifty meters
you only need one light and you can put
it where you like and if you're more
than fifty meters you need to all round
white lights one forward one aft in both
cases you're going to represent that
with the day signal of one ball so if we
have a look over here at the diagram we
can see that this small vessel only has
to have the one all round white light
where it can best be seen and as soon as
we increase that length up to more than
50 meters we need to have two or round
white lights one at the forward end one
at the after end and the after end needs
to be lower than the one at the forward
end paragraph C says a vasila anchor may
and a vessel of 100 metres or more in
length shall also use the available
working or equivalent lights to
illuminate her decks so basically if
you're just greater than hundred meters
you have to have your deck lights on if
you're less than 100 meters is optional
whether you have your deck lights on or
not
paragraph D starts to talk about vessels
or ground a vessel aground
shall exhibit the lights prescribed in
paragraph a or B of this rule which is
the two or round white lights if you're
greater than 50 meters or the one around
white light if you're less than 50
meters and in addition to that where
they can best be seen you need to show
two
all-round red lights in a vertical line
or by day of course three balls in a
vertical line
so hopping over to the diagram we can
see if this vessel was a ground it still
got that anchor light forward and aft
but in addition we just need these two
or round red lights wherever they can
best be seen paragraph II a vessel of
less than seven meters in length when a
tanker not in or near a narrow channel
fairway or Anchorage or where other
vessels normally navigate shall not be
required to exhibit the lights or shapes
prescribed in paragraphs a or B of this
rule so less than seven meters you're
exempt unless you're somewhere other
vessels normally navigate a finally
paragraph F vessel of less than 12
meters in length when a ground shall not
be required to exhibit the lights or
shapes prescribed in subparagraph D one
or two of this rule so less than 12
meters you don't need to indicate when
you're aground and that brings us to the
end of rule 30 hopefully you found the
information useful until next time thank
you for watching and good bye
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