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re: Official Thread: Missing Malaysia Airlines Flight 370

Posted on 3/21/14 at 12:05 pm to
Posted by Topwater Trout
Red Stick
Member since Oct 2010
69997 posts
Posted on 3/21/14 at 12:05 pm to
I am beginning to think all these beacons that are supposed to activate when hitting saltawter are total pieces of shite.
Posted by Napoleon
Kenna
Member since Dec 2007
74170 posts
Posted on 3/21/14 at 12:07 pm to
quote:

Here's another angle I heard from an "expert" on FOX this morning. Each life raft is equipped with a beacon, I guess much like a black box beacon, that when involved with a crash will turn on and transmit a signal. He said the only way that the signal wouldn't be actuated is if there was total obliteration at the time of the crash. First time I had heard this.



yeah they were showing the beacons last night on CNN.



a little different, but each slide out of the plane has one, and the plane itself has two.

Posted by Napoleon
Kenna
Member since Dec 2007
74170 posts
Posted on 3/21/14 at 12:10 pm to
quote:

It's 100k per plane.


I'm sure they could get that cost down by a fifth, if Avionics companies weren't so set in making 500% returns on everything.

I mean seriously. Want a new glass display system in your plane. Oh that will be ......$45,0000

Oh your 1960's tech VHF radio is out? Oh that will be $5,000

It is crazy. But you have to use parts certified for that plane, so they have you by the balls. It's bad in GA it's even worse in Commercial.

Posted by Traveler
I'm not late-I'm early for tomorrow
Member since Sep 2003
26346 posts
Posted on 3/21/14 at 12:12 pm to
quote:

It's bad in GA it's even worse in Commercial.


The old joke in the business is, if you want to know how much a part costs, just put a dollar sign in front of its part number.
Posted by tigers win2
Baton Rouge
Member since Oct 2009
3921 posts
Posted on 3/21/14 at 12:27 pm to
It really should be easy to set all airplanes up with a GPS tracking device to avoid these long searches in remote areas. Of course, it would have to be set up so cockpit can't turn off...

I use one when I'm outdoors and it tacks and plots my location on google maps every 10 minutes. anyone can view a tracking page and get my location and lat/long coodinates real time

this is what I use
SPOT tracker
Posted by Napoleon
Kenna
Member since Dec 2007
74170 posts
Posted on 3/21/14 at 12:44 pm to
all they need is something that can use GPS and GLONASS (russian GPS) and that it enough. Anywhere in the world can be triangulated using them.
Posted by notiger1997
Metairie
Member since May 2009
61721 posts
Posted on 3/21/14 at 1:35 pm to
But don't you have to be within a certain range be able to pick any of these signals up?

Posted by ninthward
Boston, MA
Member since May 2007
22694 posts
Posted on 3/21/14 at 1:52 pm to
I was certain the Aussies would fins it, now, I dunno?
Posted by Napoleon
Kenna
Member since Dec 2007
74170 posts
Posted on 3/21/14 at 2:13 pm to
satellites for GPS are in geosynchronous orbit, so in theory any where on the earth is in range of three of them at any time.
Posted by tigerpimpbot
Chairman of the Pool Board
Member since Nov 2011
69066 posts
Posted on 3/21/14 at 2:15 pm to
quote:

I was certain the Aussies would fins it, now, I dunno?



I thought somebody said the current could have moved debris up to thousands of miles by now.
Posted by MountainTiger
The foot of Mt. Belzoni
Member since Dec 2008
14951 posts
Posted on 3/21/14 at 2:19 pm to
quote:

satellites for GPS are in geosynchronous orbit, so in theory any where on the earth is in range of three of them at any time.

GPS satellites aren't in geostationary orbits. But the satellites that you'd send the data to probably would be so potentially there could be holes in coverage near the poles.
Posted by Gnar Cat21
Piña Coladaburg
Member since Sep 2009
17141 posts
Posted on 3/21/14 at 2:39 pm to
Have they found the god damn plane yet?
Posted by Ace Midnight
Between sanity and madness
Member since Dec 2006
95512 posts
Posted on 3/21/14 at 2:40 pm to
quote:

GPS satellites aren't in geostationary orbits. But the satellites that you'd send the data to probably would be so potentially there could be holes in coverage near the poles.


There is no need for a geostationary orbit for such a system. Power requirements alone would be reduced for a medium orbit system. You just need global coverage (or nearly so) - not global coverage by satellites that are geosychronous or even geostationary. As long as the satellite knows where it is - and you can reach at least 3 of them at one time, only 1 needs to be in sufficient range to send and receive large amounts of data - the other 2 are giving you resolution on the location fix.

If there was a will (and maybe MH370 will be the catalyst) there is a way. Look at it another way - the entire fleet of Boeing 777s, extant, is, give or take, $350 billion (with a "b") in unit cost. That's 1 platform.

If commercial aviation can't afford, say a $20 billion satellite system, with a $1 billion a year maintenance bill - maybe the priorities should be re-evaluated. It would be one thing if the technology didn't exist or wasn't available.
This post was edited on 3/21/14 at 2:41 pm
Posted by MountainTiger
The foot of Mt. Belzoni
Member since Dec 2008
14951 posts
Posted on 3/21/14 at 2:42 pm to
quote:

There is no need for a geostationary orbit for such a system. Power requirements alone would be reduced for a medium orbit system. You just need global coverage (or nearly so) - not global coverage by satellites that are geosychronous or even geostationary. As long as the satellite knows where it is - and you can reach at least 3 of them at one time, only 1 needs to be in sufficient range to send and receive large amounts of data - the other 2 are giving you resolution on the location fix.

That's true but I assumed we'd want to use existing communications satellites rather than launch a new constellation of birds just for this.
Posted by OldHickory
New Orleans
Member since Apr 2012
10810 posts
Posted on 3/21/14 at 4:32 pm to
quote:

Have they found the god damn plane yet?


Yes. Last Tuesday. In Pakistan. Everybody's fine.
Posted by Traffic Circle
Down the Rabbit Hole
Member since Nov 2013
5017 posts
Posted on 3/21/14 at 5:08 pm to
It's time to unsticky this thread and let it sink to the bottom.
Posted by Napoleon
Kenna
Member since Dec 2007
74170 posts
Posted on 3/21/14 at 5:11 pm to


Posted by Traffic Circle
Down the Rabbit Hole
Member since Nov 2013
5017 posts
Posted on 3/21/14 at 5:20 pm to
I think this is a frustrating situation.

Somebody, some country, something is going on. Whether it crashed, landed or UFOs took it, it just doesn't add up.

And nobody sharing radar information, changing their minds, dancing around just adds to the frustration.

Every theory seems to have holes in it. I can't even make up a plausible story that would explain all the 'facts' that have come out.
Posted by tgrgrd00
Kenner, LA
Member since Jun 2004
11533 posts
Posted on 3/21/14 at 6:08 pm to
I have a question if anyone else has been following this on Twitter.

Something that has been bothering the shite out of me. A lot of people who speak to the plane or flight MH370 like it is a person. For example I constantly see stuff like "Where are you MH370? We miss you." and "Come home soon #mh370." This type of post is very common and even moreso when you translate some tweets.

Is this a cultural or religious thing? I find it very strange to see so many people talking TO a inanimate object in this fashion.

Just an observation that I really find odd. Anyone else notice this? Am I the odd one for thinking this is weird?

Posted by Kcrad
Diamondhead
Member since Nov 2010
66843 posts
Posted on 3/21/14 at 6:10 pm to
They will, but it might take years. See the AirFrance crash in the Atlantic.

Plus the currents down there are bad. It's where the Indian Ocean and the Antarctic Ocean meet.
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