Missing Malaysian Airlines MH-370 - Thread 6

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agreed funny - it is also laughable the assumption that the chinese haven't got their own leading experts and their own data that they've been working with OR their own ships, subs, tracking systems that could be as or more effective as the british or US ships and subs that were being sent.

get over yourself western world.

Breakfast tv are telling me that an Australian ship has also heard 'pings', and for over 2 hours in the same place on two occasions. Do I believe them? Or do I come onto mn for verification?

scientists have been saying they put lots of equipment in the ocean and attach pingers that use that frequency so that it can be located later helza.

Wouldn't the owner of any such equipment have mentioned it by now though?

That's the statement - oz ship ocean shield heard pings for two hours 20 and then turned round and heard again for 13 mins. They are trying to pin point the location.

Owl I suppose they might not know their equipment is there. Someone might attach a tracking device to a whale that's supposed to detach & float so it can be retrieved but it malfunctioned somehow & sunk, got washed away in the current & could be pretty much anywhere!

It sounds like there have been 3 signals detected - 2 in the same place by the Australians & 1 by the Chinese. As far as I know there are just 2 things on a plane which should be pinging like that so that must mean that there's at least 1 random extra ping coming from somewhere!

I wonder how far the pings can travel under water? I thought that once they had the US locating device on location it would have been a relatively simple process to pinpoint the exact location.

"I wonder how far the pings can travel under water? I thought that once they had the US locating device on location it would have been a relatively simple process to pinpoint the exact location."

No, because the pings don't travel just straight up, they spread out from a central point plus are subject to water currents and distortions.

I realise they travel from a central point but I wondered how far and whether the apparently sophisticated US equipment was able to calculate that.

I think the more data they have (ie several passes over the same area) the more accurate they can be.

Owl I suppose they might not know their equipment is there.

I kind of get that, but if the black box batteries only last 30 days or so, either the "other equipment" has far better batteries (so why doesn't the Black box) or the scientists are dreadfully forgetful. Surely given the huge coverage they'd have some idea whether their equipment is in the area - eg they would have been following a whale collar as that is the point.

I'm not disputing that it could be something else, I'm just struggling to understand how no one has said it could be theirs.

I'm surprised how difficult it's been to find it actually. Before this, I'd assumed planes were tracked constantly and would be easy to find. It's been an education.

The pings can travel about a mile underwater, depending on conditions.
Only 10% of the sea bed is mapped.
3D sea floor mapping has only just become possible.
Black box batteries are only guaranteed for 30 days, but have lasted 2 years in the past (AF447).

It is an education, isn't it, Owl!

The signal will continue after 30 days but the strength may lessen.

there's a lot of misinfo about these batteries to the point it gets confusing. u.s. news seems to be making out that they 'can' last as long as 30 days but might die sooner whereas my understanding has been they're guaranteed to last 30days but can last a lot longer (as in the air france flight one above).

watching some reports you can have two experts on the same slot giving seemingly totally different impressions. it does feel deliberately confusing.

likewise there's been this impression made that turning a transponder off makes a plane invisible which is a nonsense. the plane still shows up on radar - all the transponder does is transmit the flight details and identify some data about it - that is not what any halfway modern airport relies upon and as has been pointed out private airplanes don't have to have transponders yet air traffic control still traces them and responds when they are somewhere they shouldn't be.

malaysia is not some backwater shanty town airport (i've been to a few of those mind). there is no way on earth that a plane would disappear from their civilian radar system purely from the transponder going off. likewise once the 'it flew low' misinformation was discounted there was no longer any rational explanation as to why it would 'disappear' from the military radar which they finally admitted had tracked it for a further an hour.

oh and i still stand by thinking it utterly impossible that the airways there are so unsecured. straits of malacca are of massive significance and there is a massive amount of millitary presence and scrambling for territory and observational scope in that area of the world.

a little research into military significance and developments in the area makes very clear that this is a hugely signicant area in modern power play and strategic positioning.

that doesn't make me a conspiracy nut but it does, quite rationally, make me have a lot of unanswered rational questions that the media is pointedly avoiding.

Telegraph says area where pings have been heard corresponds to where Inmarsat calculated last partial handshake to be

www.telegraph.co.uk/news/worldnews/asia/malaysia/10750765/MH370-missing-plane-black-box-pings-tracked-to-same-point-as-final-half-handshake.html

Ashamed to be human. All that trash!!

They are trying to relocate the pings but no luck yet.

Interesting article, particularly interesting that the pings are being heard around the point of the partial handshake.

Does anyone remember that ad from a few years ago where the ocean threw back all the junk onto land? Can't remember what it was advertising but it was visually stunning. This search has reminded me of it.

All the reporting I have seen has nonchalantly referred to the black box shutting down after 30 days. None of it has acknowledged what has been repeatedly pointed out on here, that the 30 days is the minimum and it may well last longer. It's been a big weakness of the way the news 'narrative' has been shaped to fit a need for drama and 'time running out...'

Direct quote from the search coordinator that the batteries may have run out:

www.telegraph.co.uk/news/worldnews/asia/malaysia/10752998/MH370-missing-plane-fears-grow-that-black-box-batteries-have-run-out.html

Whereas this previous article mentioned possibly another two weeks...

www.telegraph.co.uk/news/worldnews/asia/malaysia/10750765/MH370-missing-plane-black-box-pings-tracked-to-same-point-as-final-half-handshake.html

I think it is reasonable of the media to report on the 30 days as that is the only guaranteed limit. After this, even if there is still signal, who knows how long it is for?

Ocean Shield relocated signal twice yesterday (8th April) Signal held for 5 & 7 minutes respectively

Fingers crossed .

Have we had this yet? Really good graphic demonstrating the sheer depths of ocean that they are dealing with to try and locate the black box. Kind of seems hopeless once you take this in to be honest...

apps.washingtonpost.com/g/page/world/the-depth-of-the-problem/931/