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  1. #11
    Join Date
    Oct 2018
    Location
    A Member State of the European Union
    Posts
    6,568

    Default Re: Why don't yachts have foghorns?

    Quote Originally Posted by Elessar View Post
    This is absolutely not true. They can hear you and react to a sound signal.

    And why would only big boats need to hear a sound signal? Gets rid of the “guess what I’m doing” dance small vessel to small vessel.
    In that case, the hearing of watchkeeping officers must have improved greatly since I was in the Merchant Navy, given that the bridge of something like a super tanker is likely to be several hundred feet away from the yacht under its bow.
    "Brexit: like watching a library being burned down by people who can't read"

  2. #12
    Join Date
    Mar 2007
    Location
    Atlantic
    Posts
    21,369

    Default Re: Why don't yachts have foghorns?

    Quote Originally Posted by JumbleDuck View Post
    "Oh, are you not going to get out of the way? I suppose that's all right. Some people might think it was selfish but if you feel so important don't mind me. Go right ahead. I don't suppose you'll care about any damage either, but that's fine too. Well, not fine, but typical. ..."
    Dogs doodahs for a bit of seagoing karaoke though.

  3. #13
    Join Date
    Feb 2004
    Location
    Home: Saffron Walden... boatless
    Posts
    2,452

    Default Re: Why don't yachts have foghorns?

    Quote Originally Posted by Elessar View Post
    I completely agree. You need one to comply with the colregs. I never understand why so few yachts can easily make a sound signal. ...
    Colregs are woefully vague.

    The word “whistle” means any sound signalling appliance capable of producing the prescribed blasts and which complies with the specifications in Annex III to these Regulations.

    ...

    a) A vessel of 12 metres or more in length shall be provided with a whistle, a vessel of 20 metres or more in length shall be provided with a bell in addition to a whistle, and a vessel of 100 metres or more in length shall, in addition, be provided with a gong, the tone and sound of which cannot be confused with that of the bell. The whistle, bell and gong shall comply with the specifications in Annex III to these Regulations. The bell or gong or both may be replaced by other equipment having the same respective sound characteristics, provided that manual sounding of the prescribed signals shall always be possible.
    So almost anything will do. Annex III is riddled with get outs.
    Last edited by Scala; 29-09-19 at 21:25.
    Graham. "Scala" now sold. Boatless.

  4. #14
    Join Date
    Jul 2003
    Location
    River Itchen, Southampton
    Posts
    7,226

    Default Re: Why don't yachts have foghorns?

    Quote Originally Posted by Poignard View Post
    In that case, the hearing of watchkeeping officers must have improved greatly since I was in the Merchant Navy, given that the bridge of something like a super tanker is likely to be several hundred feet away from the yacht under its bow.
    The hearing hasn’t improved but they fit microphones apparently. Any merchant seamen here know for sure?

    I’ve had a ferry react in the past - I 5 hooted him as he was erroneously not giving way. . And I exchanged hoots with the queen mary to clarify my intentions as she was manoeuvring. 2 examples I can think of.

    And I don’t understand why you think k sound signals are only to signal large ships.
    Last edited by Elessar; 29-09-19 at 21:49.

  5. #15
    Join Date
    Feb 2014
    Location
    The Northern Powerhouse
    Posts
    2,994

    Default Re: Why don't yachts have foghorns?

    I have a dual tone air horn up the mast. Very loud and very good. Iím surprised not everyone has one I thought they were compulsory and the hand held thing can run out. I also have a hailer, which can do automated sound patterns from the VHF, but it is much quieter.

  6. #16
    Join Date
    Apr 2005
    Location
    Long Beach. CA.
    Posts
    2,695

    Default Re: Why don't yachts have foghorns?

    Quote Originally Posted by Elessar View Post
    The hearing hasn’t improved but they fit microphones apparently. Any merchant seamen here know for sure?

    I’ve had a ferry react in the past - I 5 hooted him as he was erroneously not giving way. . And I exchanged hoots with the queen mary to clarify my intentions as she was manoeuvring. 2 examples I can think of.

    And I don’t understand why you think k sound signals are only to signal large ships.
    I wouldn't trust 90% of the people I worked with over the last 6.5 years to know what the sound signals your are making mean...

    PW
    .

  7. #17
    Join Date
    Nov 2011
    Location
    Sydney, Australia.
    Posts
    5,504

    Default Re: Why don't yachts have foghorns?

    Quote Originally Posted by Poignard View Post
    In that case, the hearing of watchkeeping officers must have improved greatly since I was in the Merchant Navy, given that the bridge of something like a super tanker is likely to be several hundred feet away from the yacht under its bow.
    If the yacht is UNDER the bow I don't think any sound signal will stop the inevitable.

    I actually think it arrogant and less than intelligent to think that any sound signal will have any impact on a large commercial vessel. Yachts and super tankers (and their ilk) don't mix very well and yachts should simply keep clear - and thus there is no need to consider using one to draw their attention.

    Jonathan
    Last edited by Neeves; 30-09-19 at 02:04.

  8. #18
    Join Date
    Sep 2007
    Location
    East Med...
    Posts
    1,676

    Default Re: Why don't yachts have foghorns?

    My boat, brand new Elan Impression bought 6 months ago, does have a fog horn installed by the factory. It wasn't mentioned in the specifications (neither as an option) but during the factory visit they told me that it was installed due to changes in the legislation. Same boat bought 3 years ago from a friend didn't have a horn installed.
    Keep sailing

  9. #19
    Join Date
    Apr 2005
    Location
    Shoreham - up the river without a paddle.
    Posts
    1,225

    Default Re: Why don't yachts have foghorns?

    The foghorn/loud hailer I have aboard had a previous existence as a police car siren. Unless the bridge were triple glazed and the crew retired gunners a merchant ship should hear the thing from miles away!
    It also acts as a microphone when in the listening phase of the fog horn pattern. Being based on the south coast it gets a modest amount of use. What I don't yet have is an enclosure to make it pretty so it is on a flying lead.

    Funnily enough the simple marine horn I ordered to augment it for manoeuvring signals arrived just yesterday.

    I'm often steering from inside with no opening window to easily poke my head out of to shout and it takes a good few seconds to get outside to discuss the ColRegs...

  10. #20
    Join Date
    Nov 2009
    Location
    Southampton
    Posts
    35,609

    Default Re: Why don't yachts have foghorns?

    Quote Originally Posted by capnsensible View Post
    the notion that the average yacht vuvuzela can be heard further than obout ten feet away is.....imaginative.
    That's rather the point of the thread

    I have a hailer/horn driven by the VHF - it's good for fog signals, but as the OP says, it's not really convenient for unanticipated manoeuvering signals (unlike him I don't need to go below and fiddle with glasses and so on, but it still takes a few button-presses on the handset at the helm to get it ready to sound). Ideally the VHF would have an input wire (short to ground, or apply 12v, to immediately generate a horn tone) that could be wired to a dedicated button, but they don't. I have a plan to put together a signal generator and an audio relay, that switches the speaker away from the VHF and then sends a tone to it, and I actually added the "horn" button for it to the helm along with some other work. But so far I've been a bit hampered by my lack of analogue electronics knowledge and haven't built the driver circuit.

    Pete

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