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Understanding Marine Buoyage - "quieter volume" - simple and easy www.coastalsafety.com

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Buoyage is the general term that covers markers for indicating channel markers, safe water, danger areas and special purpose areas This is a quieter volume version - for the full volume version go here or click the link in the video https://www.youtube.com/watch?v=jAQPJdB-3ko Region A covers Europe and most of the of the world (red to port side). Region B covers the America, Japan, the Philippines and South Korea (Green to port side). Flash - less light & more darkness Long flash - longer flash but still less light & more darkness Isophase - equal time of light and darkness Occulting - more light & less darkness Navigation buoys fall into 6 types: lateral - marking channels cardinal - indicating safe direction of navigation isolated danger - small areas of danger safe water - safe navigation in all directions form the buoy wrecks - submerged and partially submerged ships wrecks and danger special - other areas where various activities are / are not allowed Nautical chart symbols Aids to Navigation that have lights are marked on the chart with a small teardrop shape that will be magenta in colour (easy to read under a RED night vision light). The teardrop can point in various directions to best display on the chart and the actual direction drawn on the chart is of no significance. The exact location of the buoy or mark is the small circle or dot at the base symbol on the chart. Lateral Marks are used generally to mark the sides of well-defined, navigable channels. They are positioned in accordance with the "Conventional Direction of Buoyage" as discussed above. They indicate the Port and Starboard hand sides of the route to be followed. Generally, the bigger the buoy the bigger the vessels the channel is designed for / used by and so the deeper the water. It may well be possible to navigate outside of the channel on a smaller boat depending on the height of tide and the nature of the sea bed. Port and Starboard lateral marks tend to be can shaped on the port side and conical shaped on the starboard side - this makes them easier to identify in low light or reduced visibility conditions. Cardinal buoys and marks warn of danger and remain constant throughout the system of two IALA regions and are the same for areas IALA "A" and IALA "B" regions. There may be only one buoy or more depending on the danger and the shape of the coast. For example, close to the shore they may be only one buoy as it may not be possible to go between the wreck and the shore. The buoys have two black cones in different configurations which are know as the "top mark" cones - these point to the black areas on the body of the buoy - the rest of the buoy is yellow. Your direction of approach doesn't matter – which makes them different from lateral buoys - the buoys indicate where you should go. The body of a cardinal buoy is always marked with a combination of black and yellow bands. It is always surmounted with a topmark consisting of 2 black triangles arranged in 1 of 4 combinations. Cardinal Marks are used in conjunction with the compass to indicate the direction from the mark in which the deepest navigable water lies, to draw attention to a bend, junction or fork in a channel, or to mark the end of a shoal. The buoys indicate where the safe water is, that is, mariners will be safe if they pass North of a North mark South of a South mark East of an East mark West of a West mark. Isolated Danger Marks are used to mark small, isolated dangers with navigable water around the buoy They are used to mark an isolated hazard in waters which otherwise are navigable. They are normally moored directly on or above the danger such as a large rock, shoal or sunken ship. The pattern of bands is BLACK over RED over BLACK. The topmark is 2 BLACK balls. If lit, the light will show 2 WHITE flashes (Fl 2). They can mark: a small area of rocks a pinnacle rock small sand bank old collapsed buildings in the sea pipes that are a danger to surface navigation Safe Water Marks may be used at the seaward end of the start of a channel to a port, mid-channel, as a centreline markers or at the point where land is reached. These buoys (as the name suggests) indicate the presence of safe, navigable water all around the buoy. They may also indicate the best point of passage under a fixed bridge. These buoys are coloured Red and White in vertical stripes. It usually has a white light which flashes Isophase or Occulting or Morse code ‘A’ Emergency Wreck Buoys provide a clear and unambiguous means of marking new wrecks. www.coastalsafety.com
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Text Comments (64)
aljotock (3 days ago)
love it, many thanx!
Keshav kumar (2 months ago)
Fantastic explanation.
Ray S (3 months ago)
Excellent top tips and explanation, been struggling to remember but now its crystal clear. Will be sharing with others. Thanks.
Joseph Okeme (3 months ago)
Wonderful explanation. Many thanks
SparksWillFly (6 months ago)
What a great way of helping me remember this, thanks so much!!!
Tony Gavin (7 months ago)
A useful introduction for beginners such as myself.
Anker Bach (8 months ago)
Thanks, Very informative !!
Foto Guy (8 months ago)
great explanation
Melaka Fray (8 months ago)
Great video, thanks a lot!
Yev Azzopardi (9 months ago)
Awesome description of markers. Very useful thank you.
chi M3hřą (10 months ago)
Nice
MEMO1901 (10 months ago)
Well done effort put together Thank you so much
David Gorman (1 year ago)
Excellent explanation with easy to remember key points. Superb. Thank you
denniel alejandrino (1 year ago)
superb :)
wimwidagdo (1 year ago)
Thanks you, very help full and great explanation video
Obi Okumesine (1 year ago)
IT'S A REALLY A POCKETBOOK, THAT ONE CAN CONSULT ANYTIME.
Steve Wright (1 year ago)
Very good! Thank you!
couldn't remember this for 2 years in a college... got totally clear after watching 9 min video lmao
SO helpful! Thank you for putting it out there!
Derek Higgins (1 year ago)
Every day is a school day helpful vid thanks
Bambang Hermanto (1 year ago)
I
crosshair (1 year ago)
great video! thank you.
SV EriphinE (1 year ago)
What a great explanation. Thank you!
LD N (1 year ago)
Great video, more explained than I ever knew
Jeremiah Jacoby (1 year ago)
Great
Coastal Safety (1 year ago)
thanks for the positive feedback and your encouragement - more videos are coming make sure that you "SUBSCRIBE" then you get notified as soon as new videos are released. Kind regards -  The Coastal Safety Team :) www.coastalsafety.com
Coastal Safety (1 year ago)
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Coastal Safety (1 year ago)
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Coastal Safety (1 year ago)
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Jeffrey Lyric (1 year ago)
Nice
Coastal Safety (1 year ago)
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Jayceon Markus (1 year ago)
wondeful
Jaxson Kamari (1 year ago)
very nice and good content!!
Jaxon Zayn (1 year ago)
Actually its very good video!
Coastal Safety (1 year ago)
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Jax Kamdyn (1 year ago)
Actually its great video!
Javier Sonny (1 year ago)
Superb!!!!!
Jasper Marlon (1 year ago)
Perfect Video!!
Coastal Safety (1 year ago)
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Manuel Gauge (1 year ago)
good
Coastal Safety (1 year ago)
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Jackson Aldo (1 year ago)
Excellent!
Sanka Sri Lanka (1 year ago)
විශිෂ්ටයි
Coastal Safety (1 year ago)
ඔබගේ දිරිගැන්වීමට සහ ඔබගේ ප්‍රතිචාර සදහා ගොඩක් ඉස්තුති, තවත් වීඩියෝ ලබාගැනීම සදහා අපගේ චැනල් එක SUBSCRIBE කරන්න එවිට ඔබට අපෙගේ සියලුම නව වීඩියෝ ලබාගත හැකිය. තවත් විස්තර ලබා ගැනීම සදහා පිවිසෙන්න www.coastalsafety.com
Luke Sincere (1 year ago)
simple, and lazy learning
Coastal Safety (1 year ago)
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Luca Vance (1 year ago)
that is easy to understand - well done - thank you!
Coastal Safety (1 year ago)
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Jace Valentino (1 year ago)
great video!
Isaac Nelson (1 year ago)
fantastic!
Coastal Safety (1 year ago)
~ thanks for the positive feedback - more videos are coming - SUBSCRIBE now to get notified as soon as they are released  :-)
Luis Skylar (1 year ago)
lovely and clear explaination
Coastal Safety (1 year ago)
Thank you
Coastal Safety (1 year ago)
- thanks for the positive feedback - more videos are coming - subscribe to get notified as soon as they are released  :-)
Luis Skylar (1 year ago)
Nice easy way to learn
Coastal Safety (1 year ago)
- thanks for the positive feedback - more videos are coming - subscribe to get notified as soon as they are released  :-)
Lucas Bo (1 year ago)
Thank you for this information - easy to learn from this video
Coastal Safety (1 year ago)
- thanks for the positive feedback - more videos are coming - subscribe to get notified as soon as they are released  :-)
Lorenzo Castiel (1 year ago)
Simple and easy way to learn - thank you! Happy I signed up  :-)
Coastal Safety (1 year ago)
- thanks for the positive feedback - more videos are coming - subscribe to get notified as soon as they are released  :-)
Ezekiel Zackary (1 year ago)
Great Video!!
Coastal Safety (1 year ago)
- thanks for the positive feedback - more videos are coming - subscribe to get notified as soon as they are released  :-)
Very good explanation and mnemonics. Tx
Coastal Safety (1 year ago)
Manuel - thanks for the positive feedback - more videos are coming - subscribe to get notified as soon as they are released  :-)

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