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How Ship Anchor Works? - Procedure For Anchoring a Ship at Sea
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- Опубліковано 13 тра 2019
- #Anchor #shipanchor #windlass
Anchoring is one of the very frequent operations onboard ships. A number of variables and external factors influence the duration and location of an anchoring operation. While the type of seabed is of utmost importance during anchoring, soft muddy grounds or clay bottoms are best preferred. It should be taken care that the anchoring bottom is free of power lines, submarine cables, pipelines or rocks.
Various methods on anchoring include consideration of direction and strength of wind, current and tidal stream. Often good local knowledge helps a mariner determine required manoeuvres and actions to be taken while anchoring.
This operations comes under the responsibility of deck officers. It involves the use of critical shipboard equipment and requires high level of situational awareness. The key responsibility of the deck officer at an anchor station is to use the anchoring machinery and available man power for carrying out the operation safely and efficiently in accordance with the master’s instructions.
In most of the cases, theoretical guidelines and bookish knowledge are helpful only to an extent. Situational awareness and spontaneity of the officers, and their instant decision making capability helps to carry out the operation fruitfully. A good knowledge of ship’s maneuverability and the limitation of the equipment involved will further help the officer to make such spontaneous decisions. The competency of the officer is decided upon his ability to consider the situation, command his crew and to assess the orders give by the Master, to carry out the operation safely and efficiently.
Read: 9 Points to Remember When Dropping Ship Anchor in Emergency - www.marineinsight.com/guideli...
Video Credit: / neo5362
Movie Clip Credit: Caddyshack
Image Credit: bit.ly/2VmUB6R
Very easy to understand. Great explanation
Hey Tom, Glad to know the video is helpful. Please do share it with your connections and help us spread the knowledge. 👍
Easy for a landlubber too 👍🏻
@@AnishW 👍🏻
@@AnishWlll
@@marineinsight oupkml
This guy deserves a sub, guys! He was thoughtful enough to provide captions and it's a very well done vidéo
Thank you for the support 👍🏻
As a former merchant mariner who sailed the oceans on similar ships, this video is spot on. Good job.🎯⚓
@Delphi: Thank you for your comment. Please do share and support 👍🏻
How do you become a merchant marine
@@scutumfidelis1436 I went to a school called Harry Lundbergs school of seamanship. It is located in Piney Point, Maryland. There you study all that you need to work on those ships. ⚓
@@delphilungwyn5308 is it quite complicated or is there easier jobs in the MM also how many semesters does it take?
@@scutumfidelis1436 it's a nine month pseudo-military style training. You will take classes such as firefighting, government vessels and safety at sea certificate, which is Coast Gaurd required. This is the only Avenue I know to get there. I'm sure there are others.
Why am I watching this, I cannot even afford a ship.
It is ok. We cannot even afford an anchor....still made a video on this😁
Me to bro
@@kishanpreston1533 😁
@@marineinsight😀 🤙
Ship or fish
Educational yet soothing at the same time - unintentional ASMR. Information was just what I was looking for as I saw a video of an incorrectly deployed anchor which looked extremely dangerous
I think after watching this video I feel confident that I can anchor any ship provided that the sea is calm and quiet . Thanks for the explanation .
This video is better than what is lectured in school hehe💓
This video got me my license to captain cargo ships!!!!! After my men went on strike over low wages I stole a large ship and it is now permanently full throttle going in circles in the Gulf of Mexico. Thank you random internet man
Awesome....Glad the video came useful....please do share and support this random Internet man :)
I did NOT expect the anchor to be that huge, that is so cool.
Yes, they are huge
Our cruise ship anchor off Greenland last year became snagged on a large rock. It needed almost 2 hours of manovering to free the tangled chain but it was fascinating to watch the deck crew operate the windlass. A great cheer went up when were finally free!
Nothing better than recovering a stuck anchor 🙂. Cheers to your team for that. Thank you for sharing this.
Thanks man! This video is very good to refresh your knowledge in seafering, because after time you forget the names of certain parts of anchor system if english isnt your native language.
Awesome. Glad you found the video useful. Please do share and support 👍
Going as boatswain for the first time and a little bit nervous. What I should control and keep in mind if let go the anchor. Thank you.
I am a Merchant seaman and thanks for the explanation. I have done that many times and that what we sailors goes through at sea. THANKS
@Dorkucho: Thank you for your comment. Please do share and support 👍🏻
Great video! Very helpful, thanks!
You guys are doing very good work thanks alot.
Thank You, Sunil. Please do share the video and spread the word 👍🏻
Very well explained video, thank you!
Superb video!!!
Very educative! And well explained,, thumbs up 👍
Thanks for the explanation to understand the Public. Keep it up !!!!!
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They picked the perfect guy to describe the picture.
🧐
Thanks for that, very informative!
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+1 for the Caddyshack clip.
😁👍🏻
Thank you sir for explaining about ship's anchored.. It's very useful video..
Thanks and welcome
Thank you marine insight
For making this video
Your video is amazing 😎
Hi Nitesh
Thank you for your support. Please do share and spread the word. 👍🏻
best video on the topic! thank you :)
Awesome. Please do share and support 👍
Great video
Very informative.
Great Job. Information given in this video is very clear and useful. Thank you🔥
Glad it was helpful! Please do share and support.
Thanks for taking the time to explain this, very thorough and clear explanations.
Glad you found the information useful 👍🏻.
Please do share the video and support us.
I was a 3rd Mate back in the 80's and we all got told it is the weight of the WHOLE CHAIN that holds the ship from dragging , the anchor simply holds the chain in place.
Absolutely true 👍🏻
@@marineinsight Nah, loads of videos showing the cable bar tight and off the seabed with the anchor doing all the work.
The anchor chain and the anchor both hold the ship. The more chain on the sea bed, the greater percent of the holding force attributed to the chain, and the greater resistance to dragging the anchor. The video mentioned paying out more anchor cable in worse weather, which increases the force the anchor / chain system can withstand.
Roy C Horton True to an extent but in a strong tide the chain can be 80% off the bed. The only solution in that case is to ‘reverse trim’ whereby the ship will generally port-round to gain some slack. Then and only then can they move beyond the bed-line.
@@morry271 Sir : what about a 250000 ton Tanker on Steam Engines Alone with No variable pitch propeller and it takes an hour to get Engineers to adjust mode of "Astern Thrust" to "Slight Forward Thrust" and your Captain and Chief Officer say to you "You are in charge get on with it"! I ordered the second anchor out much to the disgruntlement of the Senior Second Mate who hated me but it worked in the prevailing horrible conditions.
Awesome video, best explanation of all aspects!!
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Superb fabulous awesome
Your all videos are very nice & very clearly explaining
It's # shipping
Thank you 👍🏻
Great video! Thank you!
Thank you Frederick 👍
Well explained, thank you
Thank you for dropping by 👍🏻
thanks. this was so comprehensible.
Glad it was helpful!
Thank you! Now I understand!
Glad you found it easy to understand. Please do share and support 👍🏻
How do you de-anchor to release ship to run ?
Or how do you release the ship from the seabed taking off the anchor?
The windlass or anchor winch is used to wind up the chain and lift the anchor. If the anchor is stuck, the ship is moved aft and ahead to release the anchor (which is unlikely as ships are anchored in dedicated anchor stations where such problems do not occur).
Thank you
Sir I m also seafarer and this is the best video I have ever seen 👍
Glad you liked it
Excellent video, thank you Sir.
Thank you Ron for your comment. Please do share and supprt 👍
Thank you. I enjoyed that video.
Glad you liked it. Please do share and support 👍🏻
Great explanation thank you !
Thank you Vijayesh. Glad you liked the video. Please do share and support 👍🏻
Very informative 👏
Good video, during emergency anchor stand by for pilotage, stopper and gear should be disengaged? Only brake remain on? So that we can immediately let go ?
Thanks for your sharing 👍
Thank you too
Hello. I have a technical question sir. For a massive ship like an oil tanker with a dwt capacity of 400,000 tones of oil, what is the anchoring procedure for such a colossial giant, where neither the anchor chain or the windlass (or winch or capstan) is broken? I imagine this to be extremely difficult!
Very cool video. Thank you for sharing it.
Glad you enjoyed it
Nice one
Fantastic video - I was only looking for a simple explanation, but this is like a training video - excelllent work thank you. Best revelations to a non-sailor? The use of the chain 'caternary' to hold the vessel and the fact that all vessels point into the current - I will be able to notice that for the rest of my life! Great stuff :)
Thank you Philip. Glad you found the video useful 👍🏻
Ships are deliberately parked in the same direction. 🤫
thanks for such a wonderful explanation
Thank you Girish. Glad you liked it👍
Very good knowledge sharing. Thanks.
@Sendhil: thank you for commenting and we are happy the info shared by us is useful to fellow professionals.
Very informative. Excellent work.
Glad you enjoyed it!
Superb video
Thank You Prasad for your comment. 👍🏻
Well explained. Thanks
Glad you liked it! 👍🏻
Good ,Engine stop after , reverse motion can help as breaks to ship
Vey well expalined..Thank u
Thank you for the support Anurup.
Thanks a lot
Most welcome
Really good
Thank you! Cheers!
cool video. thank you!
Thank you. Please do share and support
Bravo...Well explained
Thank you Anuruddha 👍🏻
Well done .Great work
We are glad you found it useful. 👍🏻
Good information thank you
Glad it was helpful!
How often does the chain/hawse pipe opening need to be replaced/repaired? It seems like it would undergo an insane amount of wear having a hundred tons of chain scraping over it every time you drop anchor.
Hawse pie opening i dare say maybe 10 years...chain about 3years
Chains are generally end for ended at least once in every five years. This ensures even wear over the life of the vessel. When the chains are end for ended they are usually water blasted and painted. Ships are, depending on state regulation, docked twice in 5 years, with the maximum period not to exceed 3 years. At this time chains, and the entire anchoring system are inspected and repairs are made.
In my career as a naval architect I never once heard of needing to replace a hawse pipe. Replacing a hawse pipe would require significant structural work. Hawse pipes and bolsters are generally cast steel and are very long lead items. Depending on wear, some bolsters or hawse pipes may have needed hard facing by welding. Shackles, swivels and other parts, such as brake linings may need replacement from wear.
My career work was with tankers ranging from 30,000 to 265,000 DWT. I can only remember once or twice that a vessel lost an anchor or a chain. When I startred working in the mid-70s ships were required to carry a spare anchor onboard. By the early 1980s a single spare anchor for each class of ships was kept shoreside. We also kept a complete cable of chain shoreside for each class.
R. A. Levine
Thank you. Easy to understand 👍
Glad to hear that!
So on the lifting process. how you asure the anchor will not play against you ? should you pull it against water current maybe ?
Super work
Thank You . Please do share and support.
Good video.
Glad you liked it
Excellent présentation!! Please make a video on double anchor technique.
Glad you liked the video. We have forwarded your suggestion to the team 👍
👍🏻
Thanks for the amazing explanation. I am doing some research about ships for the novel I am currently writing, and I have a question. Do you think an adult could pass through the hole of the hawse pipe, if the ship in question was a large container ship? (I apologise in advance if the question should sound too silly for those who actually know the business!) thanks to anyone who will take the trouble to answer ❤️
Awsome vid more of this please 😍
Hi Ernst Eddy,
Thank you for your comment. Please do share and support 👍🏻
here -> ua-cam.com/video/b1gcmMQsnMs/v-deo.html
Finally I understood in depth Thank you 👍 & your answers in the Comment section was again Excellent source of knowledge .
Glad the content is easy to understand and useful. Thank you for your comment 👍🏻
do you know the formula to calculate the swing circle of anchor?
, please telling me, i would be very appriciate of it
Thank you.
👍🏻. Please do share and support.
Thank you for your information,, for me to refreshing about knowledge anchoring ☺
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@@marineinsight thank you,,
Awesome video bro
Thank you Shreyas 👍🏻
Great bro
Thank you so much 😀
Grate explanation thank you
Thank you Arvind. Glad you liked the video. Please do share and support 👍🏻
Very informative...👍👍👍
Thank you Gokul. Please do share and support 👍🏻
Thanks for explaining clearly.....
You are welcome
Nice.... video with a good detailed explanation
Glad you liked it. Please do share and support👍🏻
anchors are dislodged by piloting the vessel above where it is in place, and once the cable slack has been reeled in, the anchor then be brought all the way up.
👍🏻
What if it gets stuck in a rock or in a shipwreck or something
Nice informative video
Glad you liked it 👍
Super sir
Glad you liked the video 👍🏻
Sir very gud video gud knowledge wanted to ask one thing as we r telling the lead long stay short stay by that captain looks the position if anchor holding the seabed or not .Wat is the exact use of telling clock many of seaman don't know why they tell clock lime 12:00lomg stay medium why clock is told ya if we tell long clock wat will happen ??why captain ask the clock as of we tell the lead of anchor long ya short ya clock is told??
Good video. The i in “pivot” rhymes with the i in “video”
Thank you Scott. The I in Pivot will be different with the I in pivot accross of India :P
Everyone knows it's a pie vott!
marineinsight you mean like vydeo?😉
Its that perfect explaination which I wanted thanks a lot sir
Thanks and welcome
Nice explanation
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"Not doing it correctly will land you in a wrong place"
Like literally 😂💀
😂
very good understanding.
Good to know 😊👍
If seabed is at a deeper level than the total length of anchor and chain, how is ship prevented from drifting ?
You wont "anchor" in blue water. You are also unlikely to drift into another boat or beach. In a sailboat you can "heave to" to stop forward motion, but you will still drift. A "sea anchor" ( like a small parachute) can help maintain position of a small sailboat in heavy winds, but will drift with the current. To maintain a ship on station at sea requires using the engine.
@@dbergerac9632 Thank you ; this is something I have always wanted to know, purely out of academic enthusiasm.
We wont let go anchor if the depth is too much than the length of the chain...if ship need to stay at those depth it will just drift
@@kingofstage6273 I've also heard that most of the newer ships use Computer based positioning to stay afloat at the same place in the open waters.
@@BadassBobY maybe..not too sure about that though
Beautiful explanation 👌🙏❣
Thanks for liking
Interesting!!
Glad you think so!
Really it's worth
Thank you for your comment Mohan 👍🏻
Nice....!!
Thank you! Cheers!
Amazing
🙂👍
good
Good work 👌
Thank you 👍🏻
Got an idea upon anchoring the ship. But how is an anchor released and the ship needs to move again...
hi, thank you!
during start of heaving the anchor, is ship driven closer to anchor, so to get the anchor out of the soil it anchored to?
This is when the rose got exposed unfortunately
Nice video i enjoyed it!
Greets from germany
Glad you enjoyed it!