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re: Official Thread: Missing Malaysia Airlines Flight 370
Posted on 3/9/14 at 1:13 pm to fightin tigers
Posted on 3/9/14 at 1:13 pm to fightin tigers
quote:
When you get a pinhole in a ballon the ballon can often times catastrophically degrade. Same concept right?
The pilot probably accidentally turned off the helium switch mid-flight.
0
Posted on 3/9/14 at 1:15 pm to RogerTheShrubber
The loss of communication or tracking of the plane is what is most baffling. The modern 777 has half a dozen tracking mechanisms even in the worst disaster scenario (mid air disintegration) that go beyond just the black box. How is it that there's no data at all on what led to the final scenario (assuming it just went down suddenly)?
I think they're close to finding the debris. May already have found it.
I think they're close to finding the debris. May already have found it.
This post was edited on 3/9/14 at 1:16 pm
Posted on 3/9/14 at 1:19 pm to siliconvalleytiger
quote:
The loss of communication or tracking of the plane is what is most baffling. The modern 777 has half a dozen tracking mechanisms even in the worst disaster scenario. How is it that there's no data at all on what led to the final scenario (assuming it just went down suddenly)?
Which is why I think the transponder was either turned off or the plane had a catastrophic breakup at cruising altitude. ATC relies on information from the plane itself out of primary radar area.
Mode A and Mode C
Posted on 3/9/14 at 1:24 pm to RogerTheShrubber
If the plane loses it's systems, it's basically a ghost out there. The only way to see them is a small blip on a radar screen, but that doesn't tell you who it is.
IFF: (every plane uses this)
Mode A reports lat/long
Mode C reports altitude
And they have radios:
VUHF- short range, used for contact with tower
Not sure if commercial planes have long range radios.
IFF: (every plane uses this)
Mode A reports lat/long
Mode C reports altitude
And they have radios:
VUHF- short range, used for contact with tower
Not sure if commercial planes have long range radios.
This post was edited on 3/9/14 at 1:28 pm
Posted on 3/9/14 at 1:25 pm to JAXTiger16
quote:
If the plane loses it's systems, it's basically a ghost out there. The only way to see them is a small blip on a radar screen, but that doesn't tell you who it is.
Outside of local radar, it may not be detectable if it's not emitting a signal. This happened with one or more of the 911 hijacked planes. ATC asked pilots to look for the planes.
This post was edited on 3/9/14 at 1:26 pm
Posted on 3/9/14 at 1:26 pm to RogerTheShrubber
Roger, are you arguing with a guy that flys the plane and has flow that route before? Or are you just trying to get the last word?
Posted on 3/9/14 at 1:29 pm to fightin tigers
quote:
Roger, are you arguing with a guy that flys the plane and has flow that route before? Or are you just trying to get the last word?
Who's arguing?
Nothing he's posted is arguable.
This post was edited on 3/9/14 at 1:30 pm
Posted on 3/9/14 at 1:30 pm to fightin tigers
Damn, take it easy. We're just exchanging theories here.
Posted on 3/9/14 at 1:30 pm to siliconvalleytiger
quote:
Damn, take it easy. We're just exchanging theories here.
It's the OT. Some people just aren't happy unless they are stirring shite
Posted on 3/9/14 at 1:31 pm to RogerTheShrubber
quote:
Outside of local radar, it may not be detectable if it's not emitting a signal. This happened with one or more of the 911 hijacked planes. ATC asked pilots to look for the planes.
I think you are confused, you are right they will need to emit a signal to be detected, but that's for IFF
Anything in the world can be detected by radar, bc the radar transmitter is sending the signal and it reflects off the object and comes back to the receiver.
I've picked dolphins jumping out of the water on radar before, styrofoam Ice chests, etc
ETA: I have to get to bed, it's 330 am here. Good thing I have tomorrow off.
This post was edited on 3/9/14 at 1:34 pm
Posted on 3/9/14 at 1:34 pm to JAXTiger16
quote:
Anything in the world can be detected by radar, bc the radar transmitter is sending the signal and it reflects off the object and comes back to the receiver.
Wouldn't that depend on the location? It's my understanding that primary radar can be unreliable at long distances, or disrupted.
I may be confused but thought the main method of contact over distant stretches was secondary radar
This post was edited on 3/9/14 at 1:36 pm
Posted on 3/9/14 at 1:34 pm to RogerTheShrubber
Just seems like you have thrown out several theories and JAX has explained that it would be unlikely, you just kept going deeper.
Posted on 3/9/14 at 1:35 pm to fightin tigers
quote:\
Just seems like you have thrown out several theories and JAX has explained that it would be unlikely, you just kept going deeper.
And? Good lord
Posted on 3/9/14 at 1:41 pm to RogerTheShrubber
quote:
Wouldn't that depend on the location? It's my understanding that primary radar can be unreliable at long distances, or disrupted.
Yes, you're right in that, but I wasn't trying to say that they had the plane on radar. I was saying that would be the only method if they lost all of their systems. So if the plane wasn't in a country's ADIZ (air defense zone) then it most likely wasn't being tracked at all by radar. Which means it was a ghost, no one had a clue where it was.
Posted on 3/9/14 at 1:43 pm to JAXTiger16
quote:
Yes, you're right in that, but I wasn't trying to say that they had the plane on radar. I was saying that would be the only method if they lost all of their systems. So if the plane wasn't in a country's ADIZ (air defense zone) then it most likely wasn't being tracked at all by radar. Which means it was a ghost, no one had a clue where it was.
Yeah, that was what I was trying to say but not very well. I'm not personally acquainted with these systems.
It's my understanding the only contact would be by transponder or reporting points, correct?
Posted on 3/9/14 at 1:43 pm to fightin tigers
quote:
Just seems like you have thrown out several theories and JAX has explained that it would be unlikely, you just kept going deeper.
Seems you're the only one who feels this way.
Posted on 3/9/14 at 1:45 pm to RogerTheShrubber
Yes, as far as I know. We do things a little different in the military. I'm not sure if they have long range radios or not.
Posted on 3/9/14 at 1:46 pm to JAXTiger16
I can't imagine it not being tracked at all. I know voice communication cuts out quite a bit it had to be on someone's radar or satellite IF it was still flying.
Plane loses contact, we're assuming at which point it fell apart, but the wreckage is nowhere near where it should be. If a mid-air catastrophe disabled the communications, then the wreckage should be in the same area. And yet, they haven't found it. Just very strange.
Plane loses contact, we're assuming at which point it fell apart, but the wreckage is nowhere near where it should be. If a mid-air catastrophe disabled the communications, then the wreckage should be in the same area. And yet, they haven't found it. Just very strange.
Posted on 3/9/14 at 1:47 pm to JAXTiger16
quote:
Yes, as far as I know. We do things a little different in the military. I'm not sure if they have long range radios or not.
gotcha. I was just going by what I know about civil aviation systems.
Posted on 3/9/14 at 1:47 pm to RogerTheShrubber
quote:
It's my understanding the only contact would be by transponder or reporting points, correct?
This is a big part of the question. I'm told the 777 has multiple location tracking mechanisms. And not just the transponder. Is this correct?
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