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T&T: Grounding in NZ

From: Mike Maurice (no email)
Date: Mon Jul 02 2007 - 19:40:23 EDT

  • Next message: Ken Tucknott: "T&T: Yacht tenders, inflatables, ribs, dinghy's & lifts"

    This is the PDF report, also a tiny URL if needed to the same PDF.

    http://www.maritimenz.govt.nz/publications/accidents/reports/Southern%20Wind-043581.pdf

    http://tinyurl.com/2ol7aa

    This is a well presented report with good pictures.

    The boat got into trouble in a nearly landlocked arm in NZ, while at
    anchor and started dragging.

    There are several weaknesses in the report. You know how I like to
    critique critiques, so here goes.

    I can not imagine turning off the GPS chartplotter for the night while
    at anchor. Never do it. If you are going into a poorly charted area like
    this then by all means have a second track recorded on another GPS in
    case you loose the first.

    Charting, charting, charting. Add detail to your charts and make sure
    you can get out of any place you can get into. Always know what your
    exit strategy is going to be. In other words, do you own survey work
    before you settle down for even a night.

    I would not anchor in an area containing nearby high ground with such a
    short scope as they were using.

    I would use the engine(s) at idle to prevent dragging rather than
    attempt to exit an anchorage with such obstacles in the way, at night in
    high winds.

    There are plenty of contributing mistakes, but the central one was
    attempting an exit using chart info that was based on incomplete and
    vague survey data.

    I routinely anchor here on the US West coast in tricky places, but the
    survey data is really excellent and I know these areas very well. Take
    note of this deficiency and keep it in mind that many places in the
    world are NOT well surveyed.

    Mike

    +++++++++++++++
    Capt. Mike Maurice
    Beaverton Oregon(near Portland).
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