PLAN breaking news, pics, & videos

Discussion in 'Navy' started by Jeff Head, Oct 24, 2014.

  1. Jura
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    Jura General

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    #2247 Hendrik_2000, Jun 1, 2018
    after
     
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  2. Jura
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    Jura General

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    wow, Top US Navy officer tells China to behave at sea

    9 hours ago https://www.defensenews.com/naval/2...ges-china-to-follow-maritime-code-of-conduct/

     
  3. Jura
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    Jura General

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    now inside
    Exclusive details and footage emerge of near collision between warships in South China Sea

    UPDATED ON 5 Nov 2018 https://www.scmp.com/week-asia/geop...ils-and-footage-emerge-near-collision-between


    [​IMG]

    Oct 3, 2018
     
    #2633 Jura, Nov 6, 2018
    Last edited: Nov 6, 2018
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  4. Dfangsaur
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    Dfangsaur Junior Member
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    The video of luyangII is probably the one of the best close up footage we have ever seen of it. It's so beautiful.
     
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  5. Strategic Analyst
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    Strategic Analyst New Member
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    Breaking PLAN news is the PLAN Type 052 destroyer captain knew the law of the sea. Any ship aft of 112.5 degrees of the center of the leading ship has the onus to yield right of way. US Navy ship was aft of 112 degrees and thus had sole responsibility to not collide.

    Good to see the PLAN training their captains on the exact degrees of the rules of the sea. Using GPS or Baidu sat nav systems, and computer controlled thrust, it is quite possible to construct a precision sea navigation rule enforcement.

    PLAN computers and sea law training is impressive.
     
  6. asif iqbal
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    asif iqbal Brigadier

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    Any link for such procedures ?
     
  7. by78
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    by78 Brigadier

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    Anther unmanned attack boat at Zhuhai Airshow...

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  8. by78
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    by78 Brigadier

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    Special operations boat on display at Zhuhai...

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  9. Terry Cotter
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    Terry Cotter New Member
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    Your assertion is fundamentally wrong – a clear case of a little knowledge being used to justify what you want to be true, rather than an unbiased analysis of the situation.

    The “law of the sea” that you refer to is articulated in the “International Regulations for Preventing Collisions at Sea, 1972” (link), colloquially known as the Rule of the Road or the ColRegs, which it appears the Captain of the Lanzhou contravened in at least 3 respects.

    I have not seen a plot of the ships' tracks annotated with time, which would enable the relative positions to be conclusively determined – the nearest I have seen is that reproduced in the SCMP which was probably produced by the USN as part of a briefing and is shown below:
    [​IMG]
    Taking Point 1 as the start of the interaction, the 2 destroyers are potentially in a crossing situation with the ensuing risk of collision, Decatur being on Lanzhou's stbd bow. ColRegs Rule 15 states “When two power-driven vessels are crossing so as to involve risk of collision, the vessel which has the other on her own starboard side shall keep out of the way and shall, if the circumstances of the case admit, avoid crossing ahead of the other vessel.” The Rules require the stand-on vessel (Decatur) to “keep her course and speed” and the give-way vessel (Lanzhou) to “take early and substantial action to keep well clear”. This should have been effected by Lanzhou turning to stbd; instead she turned to port.

    The photo below shows that Lanzhou positioned herself on Decatur's port quarter which is reflected at Point 2 in the track plot.
    [​IMG]
    At that stage, Lanzhou is more than 22.5 deg abaft Decatur's beam (>112.5 relative to ship's head) so the situation has become a potential overtaking manoeuvre. ColReg Rule 13 requires the overtaking vessel (Lanzhou) to “keep out of the way of the vessel being overtaken”.

    Rule 13 further states “Any subsequent alteration of the bearing between the two vessels shall not make the overtaking vessel a crossing vessel within the meaning of these Rules or relieve her of the duty of keeping clear of the overtaken vessel until she is finally past and clear.” The significance of this is that once Lanzhou got ahead and Decatur was more than 22.5 deg abaft Lanzhou's beam rather than Decatur having “sole responsibility to not collide” that you state, the requirement remains with Lanzhou to keep well clear until it had fully overtaken.

    You are also wrong to assert that either ship has the sole responsibility not to collide – it always remains the responsibility of both ships to avoid collision. Consequently ColRegs states that when “the vessel required to keep her course and speed finds herself so close that collision cannot be avoided by the action of the give-way vessel alone, she shall take such action as will best aid to avoid collision.” This is reflected in the turn to stbd executed by Decatur at Point 4, even though she was the stand-on vessel, but complied with ColRegs by taking such action as was necessary to avoid a collision – Lanzhou did not.

    In summary, there is no evidence that Lanzhou's captain “knew the law of the sea” and that the PLAN's “sea law training is impressive” – rather Lanzhou flagrantly disregarded ColRegs and deliberately created a situation in which there was a high risk of collision.

    The ColRegs are intended to ensure that ships in relatively close proximity continue to navigate safely. I do not fully understand what you are saying in “Using GPS or Baidu sat nav systems, and computer controlled thrust, it is quite possible to construct a precision sea navigation rule enforcement” but if you are suggesting that deliberately creating a close quarters situation can be done whilst adhering to the ColRegs, you are wrong. The onus remains on all bridge watchkeepers not only to avoid collision but also to avoid the risk of collision.

    I don't know in what sense you are a “Strategic Analyst” but the conclusions of your analysis of this tactical encounter are wholly wrong.
     
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  10. by78
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    by78 Brigadier

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    Naval ammo from Zhuhai...

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