Search & Rescue Transponders [SARTs] | Operation and Use of SARTs in emergency situations

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  • Опубліковано 14 січ 2025

КОМЕНТАРІ • 189

  • @Thors.hammer69420
    @Thors.hammer69420 3 роки тому +352

    Radar sends: "hey"
    SART sends back: "hey hey hey hey hey hey hey"

    • @goki6548
      @goki6548 3 роки тому +16

      Add 5 more and it is okay

    • @petergarland7995
      @petergarland7995 3 роки тому +2

      Buy they only make hey when the sun is shining !

    • @TrixielleRose
      @TrixielleRose 3 роки тому

      LOL

    • @ohnonomorenames
      @ohnonomorenames 3 роки тому +6

      Radar "cool"
      SART "Cool, Cool, Cool", "Cool, Cool, Cool", "Cool, Cool, Cool", "Cool, Cool, Cool"

  • @robertbilling6266
    @robertbilling6266 5 років тому +166

    Years since I was last in a liferaft, and that was an exercise, so it's good to know how much better the technology is now.

  • @iwatchedthevideo7115
    @iwatchedthevideo7115 5 років тому +135

    I've done quite a few ocean crossings on a sailboat and we have one of these mounted below deck by the hatch/entrance, ready to grab and go if things go to shit. We also have an EPIRB (emergency position-indicating radio beacon) with GPS mounted by the helm with a hydrostatic release, so -- if we are not able -- it (hopefully) can release and activate automatically if it becomes submerged. This is also the case for the life rafts.
    As Casual Navigation and several others have mentioned in this thread though, you should never rely on only one piece of safety equipment, so remember to check your flares, immersion suit, light beacons, flashlights, fire extinguishers/blankets, handheld VHF, satphone, InReach, etc., keep everything up to date and know where it is stored/placed on the ship. You never know when chaos strikes, and it can/will be when you least expect it. We got hit broadside and knocked down by a sudden huge wave in pitch darkness on a otherwise smooth moonless night, and we were very lucky that we didn't lose the mast, sails or get a man overboard situation (knock on wood).
    One thing that really becomes clear when you are out at sea, is how unfathomably huge it is. You can go many days even in high traffic lanes over the Atlantic during prime season and not see any other ship. You can truly be very, very alone, and Mr. Davy Jones is the last guy you want to visit. ;)
    Lastly, huge kudos to Casual for these videoes. This channel has some of the best maritime content on YT. Thanks!

  • @daetslovactmandcarry6999
    @daetslovactmandcarry6999 5 років тому +400

    These things are highly effective, but have a full sar kit (flares, mirrors, whistle, etc.) anyways.

    • @CasualNavigation
      @CasualNavigation  5 років тому +85

      Definitely. We should never rely on only one piece of equipment

    • @cgmason7568
      @cgmason7568 5 років тому +9

      I like EPIRPs more

    • @daetslovactmandcarry6999
      @daetslovactmandcarry6999 5 років тому +4

      And point the top away before activating. 😉

    • @HugeRademaker
      @HugeRademaker 5 років тому +1

      CG Mason They serve a different purpose in the process of being rescued.

    • @daetslovactmandcarry6999
      @daetslovactmandcarry6999 4 роки тому +3

      Hey@@CasualNavigation you gotta watch this; scitechdaily.com/new-mit-search-and-rescue-algorithm-identifies-hidden-traps-in-ocean-waters/ The whole thing isn't quite ready yet, but holy shit... This is the biggest game changer since Matthew FONTAINE MAURY... 😲😲😲🤯

  • @haphazardlark1502
    @haphazardlark1502 3 роки тому +15

    I have no intention of ever being at sea, and while you never know where life will take you, it doesn’t look likely. And yet I can’t get enough of this channel since I found it a few days ago. Go figure!!
    It’s nice to learn safety stuff for situations you’ll probably never be in. It’s no substitute for training but you never know what might stick and come in handy.

  • @Darren7MU
    @Darren7MU 4 роки тому +20

    Fell in love with this channel! I am a Service Engineer and go aboard ships to service/install communications and navigation equipment, and it is refreshing to see someone so dedicated who explains and illustrates so effectively! Thanks mate! Subscribed obviously :)

  • @dougf94912
    @dougf94912 6 років тому +51

    I'm really enjoying your videos, the quality of the information and the illustrations!

  • @OGchickentnt
    @OGchickentnt 4 роки тому +33

    I love it when I’m stranded and I get saved by a nice zumwalt

  • @HECKproductions
    @HECKproductions Рік тому +3

    the fact that at first its dots and then becomes a circle around the target is amazing
    its like a video game mechanic

  • @jevinday
    @jevinday 5 років тому +252

    Too bad it's not called a Finding and Rescuing Transponder or something because I just heard and saw FART in my head every time you said SART.

  • @Mr_Unavailable
    @Mr_Unavailable 4 роки тому +11

    I love how S.A.R.T.s look like cannon shells

  • @amanrawat3029
    @amanrawat3029 3 роки тому +4

    I learnt not to work SART with Radar transponder plates...others I already new...thanks for the knowledgeable video.

  • @Jetman123
    @Jetman123 3 роки тому +23

    This is basically how radar jamming works, except here it's used to get the emitting radar's attention rather than conceal the exact position of the jammer.

  • @shubhamupman7260
    @shubhamupman7260 3 роки тому +1

    One of the best maritime channels in youtube

  • @gravedigr12
    @gravedigr12 5 років тому +8

    fascinating and useful never know when information like this may save your life one day.

  • @danielcarney3182
    @danielcarney3182 7 місяців тому

    I'm so glad I found this channel. Excellent content!

  • @nickedtheboat
    @nickedtheboat 2 роки тому

    Excellent Video!

  • @eugenetulyupa
    @eugenetulyupa 6 років тому +13

    Thx a lot for your videos! Respect!

  • @user-pi2fj6xs6q
    @user-pi2fj6xs6q Рік тому

    Very clear explained sir as always 💯👍👍

  • @Amara87387
    @Amara87387 2 роки тому

    Okay the song in the opening part of the video was used in a roblox game. Something about a treehouse. That was a surprising but of nostalgia

  • @emile1661
    @emile1661 4 роки тому +4

    Everything you explained is correct, however at the end, in between the sart and flares, comes the use of the mandatory gmdss vhf. But you are the closest one i've seen so far. You might be a candidate to explain the cospas-sarsat in a proper way.

  • @MrKidzor
    @MrKidzor 6 років тому +6

    I'm a big fan of you, man you-re videos are really helful to me. Please make some MARPOL 73/78 explaining videos when you have time. Keep up the good work !

    • @CasualNavigation
      @CasualNavigation  6 років тому +1

      Thanks Marcov. Glad the videos are useful. I'll look into some MARPOL ones for the future.

  • @johnmarkmanuelmagalona1984
    @johnmarkmanuelmagalona1984 6 років тому +5

    seriously you are creating a great content and it is helping us alot. :) Btw, i'm amazed on how do you create these animations?

  • @darrelruelan7313
    @darrelruelan7313 6 років тому +5

    very well said..I hipe EPIRB and other GMDSS equipment next

    • @CasualNavigation
      @CasualNavigation  6 років тому +4

      Thanks Darrel. If this video continues to be received well, I will continue with other GMDSS kit

  • @lovelaughlive605
    @lovelaughlive605 Рік тому

    Thank you casual navigator❤

  • @michalwojcikiewicz6326
    @michalwojcikiewicz6326 6 років тому +1

    Fantastic videos man you are great help

  • @HyperboreanAnchovy44
    @HyperboreanAnchovy44 5 років тому +24

    Gonna be honest saw the thumbnail and read SHART

  • @kermitthemutantlevitatingfrog
    @kermitthemutantlevitatingfrog 5 років тому +1

    I love this channel

  • @leizelanncubian7718
    @leizelanncubian7718 6 років тому +2

    please do make another videos about all gmdss equipments . very informative channel!

  • @RonPiggott
    @RonPiggott Рік тому

    1:40 When doing a 'test' to check the unit do you announce this on channel 16?

  • @elmerharrisonm8210
    @elmerharrisonm8210 5 років тому +4

    nicely explained..please make more videos on other LSA like epirb,lta etc..thank you

    • @CasualNavigation
      @CasualNavigation  5 років тому

      Thanks Elmer. I am looking to cover EPIRBS and things in future videos.

  • @louiswilkins9624
    @louiswilkins9624 3 роки тому +1

    This is great stuff

  • @yndalo
    @yndalo 6 років тому +1

    Very clear. Thank you.

  • @martinfinegan6718
    @martinfinegan6718 6 років тому +8

    Hi, I love your videos and they are invaluable when I go for exams, is there any way you could do a brief video on the ISM code and SMS (Safety Management Systems)?

    • @CasualNavigation
      @CasualNavigation  6 років тому +6

      Thanks Martin. I will try for those at some point. They won't be in depth on this channel, but I will try to find a way

  • @jacobbissen9076
    @jacobbissen9076 5 років тому +1

    I don’t have any use for this info but I find it very interesting

  • @MrMAKOUNCORFU
    @MrMAKOUNCORFU 6 років тому +1

    Very nice video well done !!!

  • @leonardosevilla4885
    @leonardosevilla4885 6 років тому +1

    thanks brook love from the Philippines Dr. yanga

  • @Rimtay
    @Rimtay 3 роки тому +2

    Awesome vids! Now I wonder how much do those little ones cost :)

  • @arebokert
    @arebokert 3 роки тому

    * Hears the background music * LA BEAST HERE AND TODAY, I'M TAKING A LOOK AT SARTs

  • @ashwanthash1820
    @ashwanthash1820 5 років тому +1

    Very useful thnx dude 🙏

  • @adoringfan6745
    @adoringfan6745 5 років тому +3

    Update: Several manufacturers are discontinuing the production of RADAR-SARTs these days. The AIS-SART is a better and safer replacement.

  • @elligatorhunter1332
    @elligatorhunter1332 3 роки тому

    Nice job....

  • @ArbaazKhan-it6pg
    @ArbaazKhan-it6pg 2 роки тому

    very nice 👌

  • @werewolfnar
    @werewolfnar 5 років тому +8

    Do you have a Patreon or similar? I'd love to help contribute directly.

    • @CasualNavigation
      @CasualNavigation  5 років тому +6

      I do have patreon: www.patreon.com/CasualNavigation
      It would be amazing to have your support, but please don't feel you need to. I enjoy making the videos so they will still continue regardless.

  • @Aabs77
    @Aabs77 2 роки тому +1

    Hello. That was a very nice video covered everything but can you please clarify if the SART is tested on board will it still show 12 concentric circles or 11 ? Since the closest line should be the position of SART and that is actually just very close to Radar(even if tested in forward part of ship) ? Thanks

  • @Chiefofficer-Teacher
    @Chiefofficer-Teacher 2 роки тому

    ОК. Very informative thank you.

  • @leohf1632
    @leohf1632 5 років тому +10

    These should be called Find And Rescue Transponder

  • @ashritsai3744
    @ashritsai3744 6 років тому +1

    That was damn impressive

  • @OutbackCatgirl
    @OutbackCatgirl 3 роки тому +1

    I wonder if it would be at all cost-effective to mount half a disco ball on a free-rotating or crank-driven mount on a lifeboat's roof or if that would be silly

  • @supahfly_uk
    @supahfly_uk 4 роки тому

    Well if I'm lost at sea I hope it's with you, the sea scares the life out of me but it's nice to watch videos about boats and ships safely behind my computer screen xD

    • @Miliradian
      @Miliradian 2 роки тому

      Dont worry, its not like a leviathan will emerge out of the water and eat you anyway

  • @gglovato
    @gglovato 5 років тому +5

    Why don't they make satellite transponders?, 40nm is not much for a vast ocean. But if your doodad has a GPS receiver and a sat transmission it can instantly broadcast your location to the rescuers. Plus sat coverage in open sea is no problem. You could even combine both systems for close/long range

    • @adamdapatsfan
      @adamdapatsfan 5 років тому +1

      There are satellite-connected devices for emergency situations - I'm more of a satellite guy than a maritime guy, but try looking up GMDSS. The main downside of satellite connectivity is cost: even simple GPS transponders can be a few hundred dollars, though in some cases they're required by law.
      Another interesting benefit of satellite systems is satellite imaging: there are now enough imaging satellites to get pictures of the entire surface of the Earth every 24 hours or less, with at least 2-meter resolution. Radar satellites, while less common, can see through clouds and in darkness. Since these satellite operators generally provide information for free in emergencies, they could also be of use in a search and rescue scenario.

    • @HugeRademaker
      @HugeRademaker 5 років тому +4

      That device is called EPIRB and is mandatory (too) on ships.

  • @masandepeyi5301
    @masandepeyi5301 5 років тому

    great videos... any upcoming videos about GMDSS/ EPIRB?

  • @magalhacarlos
    @magalhacarlos 5 років тому +1

    CONGRATS on the vídeo!

  • @Soordhin
    @Soordhin 4 роки тому

    Dammit, those marine types really have nice toys. Us aviation guys do not have something like a SART, we have to do with normal ELTs or PLBs, Emergency Locator Transmitters or Personal Locator Beacons, transmitting on 121.5 MHz (including two way AM communication in some installations) and 406 MHz for CORPAS-SARSAT reception. No radar active beacons though, those are only used in normal operation (Mode-S secondary radar transmission). The 121.5 ELT signals are picked up quite often to be honest, we usually keep listening watch on that frequency.

  • @jassahlawat9277
    @jassahlawat9277 6 років тому +7

    Dear sir can you upload how EPIRB WORKS same as previously you upload SART.

    • @CasualNavigation
      @CasualNavigation  6 років тому +2

      Thanks Jass. It is already on my list of topics to cover in the future.

    • @nickcarey4566
      @nickcarey4566 5 років тому

      I carry a PLB when kayaking and flying. They are similar to EPIRBs, and it’d be great to see how the all work, as well as the differences.

  • @cormacreilly8275
    @cormacreilly8275 5 років тому +1

    what simulation do you use to visualize the capsized ship?

  • @dirkmax6639
    @dirkmax6639 4 роки тому

    informative.

  • @tsunamithefish402
    @tsunamithefish402 4 роки тому

    I really like the 3D

  • @abhishekprajapati258
    @abhishekprajapati258 4 роки тому

    Make one video on lifeboat launching procedure

  • @arlingtonhynes
    @arlingtonhynes Рік тому

    What about Search, Help, And Rescue Transponders?

  • @jijokuvakkadan
    @jijokuvakkadan 5 років тому +1

    Best video bro

  • @jamesgorman5692
    @jamesgorman5692 5 років тому +1

    Do you get mounting points on life boats?

  • @ArbaazKhan-it6pg
    @ArbaazKhan-it6pg 2 роки тому

    video good

  • @juanbasilgutib1662
    @juanbasilgutib1662 3 роки тому

    During test do you need to broadcast?

  • @eventerry9093
    @eventerry9093 3 роки тому

    Epurb is the only way forward. Saterlight technology not haveing to hope a ship is close. But I would still have one onboard.

  • @eoinmcdonagh3601
    @eoinmcdonagh3601 5 років тому +1

    Could you make a video on Hours of Rest..

    • @CasualNavigation
      @CasualNavigation  5 років тому

      That could be an interesting topic Eoin. I'll look into it.

  • @joaquingomezullrich878
    @joaquingomezullrich878 11 місяців тому

    Are SARTs (or the signals from them) a distress signal by themselves? Looking at the International code of signals, chapter 4 section 1 i found no reference to SARTs

  • @pjk9225
    @pjk9225 Рік тому

    I'm here for a refresher after learning the titanic sub DIDNT have any SART's on board!

  • @movax20h
    @movax20h 5 років тому

    Is it better than radar retroreflector? I guess, the indication to the passanger on lineraft that there is radar nearby, and they should fire a flare, is a good one. But I am not sure it is better than retroreflector. Is it to make the crew on board the random vessels, to recognize it is a raft requesting rescue, so it is distinctly different than other vessels? Or maybe it helps also in case of being close to land? Or something?

    • @HugeRademaker
      @HugeRademaker 5 років тому +1

      movax20h A radar reflector is a passive "thing" and - if at all detected by a radar - shown on the screen by a single dot.
      A sart becomes an active device once it is receiving radar radio waves. It then actively transmits signals thus showing the multiple dots on the radar screen.

    • @BlondeQtie
      @BlondeQtie Рік тому

      you would just know that there is a vessel, not that it is in danger.

  • @KlaxontheImpailr
    @KlaxontheImpailr 2 роки тому

    Wouldn’t it be better to have a telescoping mount for the sart?

  • @darpanbishtukwale3382
    @darpanbishtukwale3382 Рік тому +1

    👍

  • @Zogger568
    @Zogger568 5 років тому +1

    But how do you know when to activate it when it's in radar range?

  • @LEVINHOMallu
    @LEVINHOMallu 2 роки тому

    SART

  • @AngeEinstein
    @AngeEinstein 5 років тому +1

    But why not an EPIRB?

  • @Givids
    @Givids 3 роки тому

    96 hrs in standby mode and 8 hrs in transmission mode. Does this mean that if it is switched on it will be on standby until a ship’s radar would pick up it’s echoes and then it will be on transmission mode?

  • @ashishr5855
    @ashishr5855 3 роки тому

    If have a doubt, if we do no turn SART to "ON" position, will it work?

  • @dimitriorelnov7851
    @dimitriorelnov7851 5 років тому

    Do one carry a personal SART aboard in case the ship goes down? Or I can expect there will be some in the liferaft?

    • @CasualNavigation
      @CasualNavigation  5 років тому +1

      A ship normaly carries a few. You don't carry peosonal ones as it is important to only activate them one at a time to avoid interference with eachother

  • @ColonelMilquetoast
    @ColonelMilquetoast 4 роки тому

    So testing actually transmits. Is there something to signify to someone that it is only a test or does someone sitting at a radar screen just wait anxiously to see if the signal keeps repeating?

    • @Logarithm906
      @Logarithm906 4 роки тому

      If i recall correctly you're meant to do it within the first 5 minutes of a new hour and to only test it for 30 seconds or so. But without looking it up again i'm not sure

  • @Mike_Rogge
    @Mike_Rogge 3 роки тому

    0:00 how did this happen

  • @bobbybooshay8641
    @bobbybooshay8641 3 роки тому

    There should be a small helium bottle and balloon capable of lifting the SART above the liferaft.

  • @ОлександрШишкін-з2щ

    From the beginning it was all perfect, but at the very end we see incorrectly drawn circles: it must be concentric over the our ship position!

  • @jubadevices6267
    @jubadevices6267 5 років тому

    Please, is SART an evolution of the EPIRB?

    • @robertnordgren7189
      @robertnordgren7189 5 років тому +2

      2 totally different systems epirb is satellite based detection , while the sart is using radar, and as such epirb allows you to get a rough location to search and rescue even when you could be in the middle of the ocean outside of major shipping lanes. But remember how we tested sart back at the merchant marine school in Sweden when I was there 25 yrs ago

    • @jubadevices6267
      @jubadevices6267 5 років тому +1

      @@robertnordgren7189 Thanks for the information! 👍👍👍

  • @L3enjoyer109
    @L3enjoyer109 11 місяців тому +1

    Radar: heya
    SART: heya heya heya heya heya heya heya heya heya heya heya heya

  • @LethalChicken77
    @LethalChicken77 3 роки тому +1

    Nice, now I'll be safe when my vessel sinks in the middle of the arctic. Idk why I would be in that situation but you never know.

  • @MrMccurley
    @MrMccurley 5 років тому

    How do these compare to EPIRB's ???

    • @HugeRademaker
      @HugeRademaker 5 років тому +2

      Michael McCurley Emergengency Position Indicating Radio Beacons actively send signals to satellites. They are either activated manually or by contact with sea water. They must be mounted to the ship by a hydrostatic release unit, so if the ship goes down they will float freely to the surface.
      Their radio messages contain not only its geographical position but also the ship's unique (!) mmsi-number. Therefor an epirb cannot be used on another ship unless its settings have been altered.

    • @MrMccurley
      @MrMccurley 5 років тому

      @@HugeRademaker
      Except for the mmsi #, I already knew about the rest of it. What I'm scratching my head about is the effective range of the SART equipment, which apparently transmits a radar signal for local radar receivers on other vessels in the area, as opposed to the EPIRB, and Garmin's InReach series of GPS transceivers, which transmit a world wide mayday call via satellite.
      If I was involved in a maritime disaster, I think I would want the most far reaching "cry for help" equipment I could get my hands on.

    • @HugeRademaker
      @HugeRademaker 5 років тому

      Michael McCurley They serve a different purpose in the process of being rescued.
      1) shout out to the world
      2) precision locater once help is nearby.

  • @naveensnsps7043
    @naveensnsps7043 5 років тому

    can i ask u a doubt i have question while i writing a exam can u give a correct ans for this question
    ; the switch on the search and rescue radar locating device can be changed to postions?
    the options are a] on and off b] on and off and test c] on and off and test and transmit d] on and off and transmit
    can u tell the answer

    • @CasualNavigation
      @CasualNavigation  5 років тому

      It's quite a bad question. Most have on / off / test, but test is the same as turning it on, it just doesn't stay in the on position after testing.

  • @UniqueVideos2017
    @UniqueVideos2017 2 роки тому

    UniqueVideos2017

  • @olbradley
    @olbradley 5 років тому +1

    I keep thinking of shart everytime i think the word sart

  • @nativeafroeurasian
    @nativeafroeurasian 5 років тому

    How large is the average range you can "travel" with/by a liferaft (while being able to use all functions)

    • @CasualNavigation
      @CasualNavigation  5 років тому +1

      Liferaft don't have propulsion, but drift with the currents. People have survived for months in them before

    • @nativeafroeurasian
      @nativeafroeurasian 5 років тому

      @@CasualNavigation ua-cam.com/video/MZLkiTwh10M/v-deo.html (0:31) isn't that a thrust lever?

    • @HugeRademaker
      @HugeRademaker 5 років тому +1

      ReCoM Sce The tiny amount of fuel on board of a lifeboat is used only to get away from the sinking ship (if it's actually sinking or on fire or whatever reasons you have to leave your vessel).
      Life rafts have no means of propulsion at all.

  • @ridermak4111
    @ridermak4111 3 роки тому

    How much does it weigh ?
    Why not deploy it under a Mylar helium balloon a couple hundred feet up ?
    What would that altitude do for range ?
    Better yet, the Mylar could be the highly radar reflective chrome and wouldn’t block the SART return because it would be above it. And it would reflect on it’s own if the SART failed/battery died.

  • @kristine6996
    @kristine6996 Рік тому

    How much is ‘not cheap’ ?

  • @cobrasvt347
    @cobrasvt347 4 роки тому

    Can't put a price on safety. They are expensive because the research and high quality durability of the device. It has to endure seawater which if you own a vessel in saltwater, the corrosive characteristics of the saltwater are very much known. 😟 plus the device has to be reliable and work when needed.

  • @AliHSyed
    @AliHSyed 5 років тому

    I legit read Shart

  • @anasqai
    @anasqai Рік тому

    I have idea like: making alot of small one like at each seat, then this one to be supported by each person have extra battery, maybe imagine land on island with fruits and still alive. The radar is to be detected by a satellite or walkie talkie? Of a walkie talkie waterproof(silicone/nano spray) 5km or more type? Then all rescuers when at sea area to have the walkie talkie switched on with batteries. But i heard that theres no such rescuer and are cannibals for now and asking for help is bad luck(will be eaten)?

  • @Monolith308
    @Monolith308 5 років тому

    Search, hearing and rescue (SHART)

  • @youssef7253
    @youssef7253 Рік тому

    Thank you,
    But I hope i would never have to use it in a real emergency situation 😌

  • @Languslangus
    @Languslangus 5 років тому

  • @fernandoschuindt1665
    @fernandoschuindt1665 3 роки тому

    "1m high" "5 miles away". Can't we use just one system like metric? O better yet, both metric and imperial?

    • @waldoodlaw3561
      @waldoodlaw3561 3 роки тому

      The nautical mile is an SI unit (a.k.a. Metric). It is defined as being exactly 1852 metres.

  • @RandolphDuk
    @RandolphDuk 5 років тому +2

    I thought it said SHART

  • @shahabazkhan3028
    @shahabazkhan3028 2 роки тому

    SART : SEARCH AND RESCUE RADAR TRANSPONDER