rigger
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Posts posted by rigger
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One other to consider if you are in an area with lots of vessels with AIS is an AIS SART.
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As KM suggested - Most Carters have packing sheets of MDF, particle board, Ply for around $10+GST, might be some edge damage. Bought 10 sheets from the local Carters thickness ranged from 18mm thick to the monster 32mm thick sheet that nearly gave me a holiday...
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Pony More was telling me about her a few years back, apparent condition appeared to be poor - cannot remember all he told me. Not too far from Whangaroa...
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That up north?
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That was exactly what I was after. I've been in touch with Graham at Tauranga bay electronics and he's awesome. Going to load the updates on a card and just charging me for his time once I send the card back to him.
The power of crew!!!
Thanks
Just had them on board today, great service, reprogrammed all the fixed gear in short order in time for a radio inspection.
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IT how are we supposed to embed youtube clips with the new software - have tried a bunch of different URLs - nothing works for me.
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In Tauranga Bay Marine electronics did updates both software and charts for us recently.
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From memory the Strait Shipping / Bluebridge owners also own a couple of large trucking companies. one operates +300 trucks
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During sea trials, http://www.straitstimes.com/news/asia/east-asia/story/21-confirmed-dead-one-missing-after-tugboat-capsized-chinas-yangtze-river-
The boat sank in the midst of a full circle swinging due to improper handling, the JMSD told Xinhua.
On some vessels there are rudder limits that limit rudder angle in relation to speed, but a tug should not have an issue there.
Have been on sea trials on a vessel with twin high lift becker rudders, hard over at max speed caused the main deck to be swept clean, water coming over crash rails over 2m high above deck. If the tug that sank had hatches / water tight doors open that could have resulted in down flooding during the test
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The Marine Dept overseeing the part of the Pearl River we did the sea trials of a new tug on were paranoid about vessels on sea trials due to the tug capsize on the Yangtze in Jan - 22dead.
We left the berth a little earlier than planned - we got ordered to standby off the berth... for three hours until they could check everything out. In the past you got the permits and that was it.
I wonder if they will now manage standards and safety more actively with other vessels?
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For those wanting further info re coverage see:
https://www.cospas-sarsat.int/en/system-overview/detailed-cospas-sarsat-system-description
Take a look around.
geo sat coverage https://www.cospas-sarsat.int/en/system/detailed-system-description/geosar-satellite-coverage
Leo sat coverage
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What is DSC? Digital selective Calling - been around for well over ten years and as it is part of the GMDSS (google it) I would say it will be here a while longer yet, I dislike the system (that is what a Merchant ship is required to carry) due to the number of false alarms caused by a lack of understanding by people using / doing the tests.
Will it still be of any use in 5 years time? Yes, the IMO might take 20years to phase it out once a better system is developed.
What is SART? Search and rescue transponder, they have been around for awhile, as for above they will be around for a long time - no issue with them as they are hard to be accidently set off - at least the Radar SARTs are
Will it still be on any use in 5 yeas time? Yes
It's nice to see a 4 letter acronym for a change. Hope the five letter one makes your day
Quick question - who has their VHF on at all times when onboard their yacht / boat?
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AIS SART - work under way to detect with sats - Talk of AIS SART combined with 406 EPIRB as wel
AIS traffic monitored by Kordia I think as part of govt contract.
Erice - does you radio have a scan option? Some new radios have quad watch now.
An old Uniden H/H I have a Scan option where I can add the channels I want scanned
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Maybe Rigger, but I don't agree with that logic. DSC is a simple, one button press distress call. Can be made in under a second, and allow you to keep dealing with the issue, rather than being tied to the radio.... IMO it should be used. But it is not. Here, in NZ.
Agree in part IT.
Yes it is simple to send a distress message, but how many people have the DSC VHF connected to a GPS (I know some units may have GPS built in the uniden mystic and Std Horizon HX851 do), and if the radio is not connected to a GPS do the users know how to enter a position?
BTW - Looking at this http://baymarineelectronics.co.nz/communications/vhf-radios.html and see the comments on the Icom M304
DSC (Digital Selective Calling) one touch distress and location alert
but if you look at the manual...
When a GPS receiver (NMEA0183 ver. 2.0 or 3.01) is connected,
the transceiver indicates the current position data in seconds of accuracy.
and check the specs, there is no built in GPS so you need to follow the instructions in the manual
and you have to wait for a response then transmit on 16 the info required - so tied to a radio....
So how many people here have a VHF with DSC connected to a GPS for positioning data, or do not know?
IT, would it be worth shifting the VHF DSC stuff to a new thread?
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My under standing was that as NZ has VHF coverage for most of the coast the DSC capability was not required - the decision also meant that NZ vessels did not have to spend big coin back then to replace non DSC capable VHF radios. NZ does have HF DSC.
Having worked in waters much busier than NZ the only time I received a valid VHF DSC distress call was in the Gulf of Aden, after I had already responded to a VHF Mayday call made by another yacht in the same fleet. the Mayday calls were for the same reason.
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Safety. Never heard of the word, why it would be stupid to let go - I. Johnson
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Had a new cylinder fitted 2 years back when we had a fire place with a wet back fitted, Cylinder is copper. 5year warranty.
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Ironsands are exported from POAL on bulk carriers - it is hard to believe but it does actually happen...
A bit like logs in containers awhile back
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Hi Wheels,
I think the largest container ships that have been to Akl have an LoA ~298m, unable to load to max draft.
They talk 8000TEU, currently getting ships with capacity around 5000TEU
8000TEU ship approx. dimensions LoA 315-350m beam ~43m, draft ~14.5m
some larger ones
10000TEU - 300m x 46m
13000TEU - 366m x48m
QM2 is 346m x 41m
Apart from draft there is already a vessel with similar length for people to get an idea of the length of containerships they talk about for the future.
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Northland Port Corporation (NZ) Limited / Marsden Maritime Holdings Limited ("MMH") part owns North Port
- Northland Regional council - 53.6%
- POAL - 19.9%
North Port:
- Marsden Maritime Holdings Limited 50%
- PoTL 50%
North Tugz
- POAL 50%
- North Port 50%
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If the proposed extension to Capt Cook wharf goes ahead - it will cut the view down.
lines based on drawings I have not been able to check.
The coloured lines are the cut off point on Queens wharf for looking down harbour.
Green line, existing wharves
Blue line, Cpt Cook extended
White line, Bledisloe extended.
So who wants to see Capt Cook Wharf extended?
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Not good news from Vila.
http://www.stuff.co.nz/world/south-pacific/67366444/cyclone-pam-hits-vanuatu-it-was-terrifying
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If you are looking or clean disconect couplings for hoses one term used is "dry break coupling"
Do you need AIS?
in MarineTalk
Posted
How many people here have radar on their own boat - do you know the hours on the magnetron?
I have found a good number of ships radars are poorly setup with worn out magnetrons - so bugger all picture of value. Then there are the operators that wind the clutter controls up to get a "clean picture" that results in small targets dissappearing.
Yes AIS can be turned off, strangely many of the class B units are harder to turn off by the users as they often do not have a display of their own whereas Class A are required to. The class B units are often a box under a console connected to a multifunction display unit - hardwired into the power supply....
BOP Regional council are in the process of setting up a system to create virtual and synthetic AIS AToNs (A Beacon is an example of a real AIS AToN).
Rena had working Radars - if the radar had the AIS data overlayed they might have noticed.
The Rangi Channel AIS AToNs are real - at least they were when we recommissioned them a few years back. There were plans to upgrade them but not sure if POAL continued with the plan...
Just a caution: AIS can have errors - in my job I see position errors greater than 100metres - not huge - but the largest I have seen was over 10nm out of wack, that is significant and rendered the data useless.