'Contact lost' with Malaysia Airlines plane

I used a plane finder app to. No luck. I think a lot of this technology relies on the transponder; since that was turned off we are blind. Next is radar, but that only detects objects that are in the air above 5,000ft. Since that is definately not the case now, it's no use.

I thought however the black box always emitted a signal, and this could not be turned off? Or does it only become activated in a disaster scenario?

Even before the transponder was turned off. I could not locate it. Sometimes it takes a while for the plane to show up. That is what I put it down to.
 
With all these satellites up in the sky, why is it taking them so long to locate it?

Gps satellites (which I assume you're referring to) don't receive any data. They broadcast their location* and the receiver in your phone/car/navigator/plane works out is own location based on knowing where it is in relation to the satellites. The satellites can't track where each gps device is.

*Not technically true, but basically how it works.
 
While I was out with some family last night I had quite an in depth conversation with my uncle regarding this whole story, and at the end of the day it's simply speculation:

His theory behind all of this is that he believes that the Russians are directly involved in it and that it's linked with the Ukraine crises. When the Ukraine story absolutely exploded onto the news & in the newspapers, the Russians felt somewhat in the firing line and therefore they wanted to quickly shift the attention of the media and the rest of the world to something else.

Therefore, the Russians set up an entirely inside job where they would secretly approach & employ the pilot to deliberately fly the plane else ware. He would turn off all of the communications equipment, ask the co-pilot to leave the cockpit and then engage the task in disabling all of the passengers and effectively knocking them into unconsciousness. While the pilot is now in complete command and control of the plane, he takes the plane off course and lands it a few hours later on a disused & abandoned airfield in Vietnam (after all, the Americans had a lot of them built during the Vietnam war).

What happened after than and the end result to the passengers and crew is unknown, but either way - my uncle reckons that the plane itself is still in one piece and is in hiding somewhere in Vietnam. His point that he was making though was that the Russians have shifted the attention of the media and the world away from the Ukraine crises to this very bizarre incident with the lost plane.

I found it a very interesting theory but make of it as you will!

Liam
 
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'Interesting' theory? You mean completely rubbish. You think the Russians would kidnap a plane of mostly Chinese citizens just to deflect media attention?

It didn't even work, whats front page news on the BBC site right now? Oh, Ukraine.
 
[TW]Fox;26018820 said:
'Interesting' theory? You mean completely rubbish. You think the Russians would kidnap a plane of mostly Chinese citizens just to deflect media attention?

It didn't even work, whats front page news on the BBC site right now? Oh, Ukraine.

Like I said in my original post - it's purely speculation.

Liam
 
It does make sense - also, he posts a further comment at the bottom explaining the new data regarding flight routes;

From hades post:

Fire starts in transponder wiring. It goes off. Pilots unaware.
Fire noticed shortly after the handover call.
Pilots pull fuses.
Head towards nearest airport hence left turn.
Climb to 45k to try to starve the fire of oxygen.
Fire overcomes pilots or air starvation puts everyone to sleep.
Plane descends irratically not in control and then flies on for several hours.
Plane eventually crashes into the sea several hours later.


I agree - The quick climb up and also the dive is typical of trying to put out a fire - it does seem very likely that this scenario is the correct one, rather than a hijacking type scenario.

The problem now exists of, where along this line is the plane and why has it taken 10 days to get to this point - if anyone had survived the crash (all be it unlikely), they certainly wouldn't have survived 10 days with little to no rations and potential injuries.

We would all like to think that this was a terrible accident and the pilot did what he could to save all those people. But, another possiblity (that i know has been discussed before in this thread) is pilot suicide. Captain Ahmad Shah had basically 'snapped' and went on a bit of joy ride.

Timeline of events something like this;
Friday; Captain Ahmad Shah attends trial of Malaysian oposition leader Anwar Ibrahim (who he is said to be a 'fanatical' supporter of) and sees him get sent down for 5 years. He may have felt deeply shamed by this or he may have felt he was framed in some way. Either way it had a profound effect on his mental state.
Saturday; Captain Shah and co-pilot Fariq Abdul Hamid take off in MH370.
Captain Shah waits for for his co-pilot to leave the cockpit and locks him out.
He then disables the transponder systems and begins climb to 45,000 ft knowing this will incapicitate all of the passengers and crew. (someone suggested that passenger oxygen masks last approx 15 minuites, but pilots oxygen supply lasts longer.. need confirmation)
From this point on Captain Shah (in a seriously unstable mental state) has basically got one last go in the best flight sim in the world, where he can try all those maneuvers he did on his flight sim at home in real life, before ditching into the ocean.

I'm not saying this is what i actually believe happend, but it's just another theory to throw out there for you to dismantle :)
 
I'm sure i overheard on the radio that a good group of Chinese passengers on the plane all worked at the same place, apparently an electronics comp or something. Can't seem to find a source though so it could be another bit of BS.
 
If the plane has been hijacked and landed in an unknown location, how difficult would it be for someone to refuel it? From the satellite data it seems that there would be very little fuel left in the plane on landing, so if they wanted to use the plane itself as a weapon they would almost certainly need to refuel it just to move it to somewhere useful. This leaves me with two questions since I know very little about planes:

First, how hard would it be to obtain enough jet fuel (or the materials to make enough jet fuel) to go anywhere, legally or illegally? It would also need to be transported to the runway they are using, but I wouldn't have thought that would be too hard.

Second, how difficult is it to refuel a 727? Is it as simple as filling up a car, but on a larger scale, or is it more complex than that and needs special equipment? If it normally would need special equipment, could any quick and dirty bodges be done to get fuel in the tank somewhere

I was thinking that, if the plane had been hijacked, fuel and equipment purchases/thefts could be monitored to try and track down the plane's location. This line of inquiry isn't likely to turn up much, but seeing that its been 9 days and the plane still hasn't been found, any possible leads would be good
 
Finally understood the satellite ping thing. The satellite sends out a signal to ask the plane if it's still there if it hasn't heard from it for a while. The plane receives it and sends out a signal acknowledging its presence. There is no other data in it than that. That's why it can't be triangulated.

Normally the response time and/or strength would be logged from which you can work out the distance, knowing the maximum distance the plane could have travelled you can eliminate parts of the arc that it couldn't possibly have reached and then cancel out (or the opposite) for areas that other satellites cover. Whch only gives a vague position depending on how many other satellites can be used narrow down the position.

If this is a hijacking its not your run of the mill hijacking and appears to have been planned meticulously - there is no way the plane could have drifted in most directions without being spotted by other systems and likewise probably won't be a trail of stolen fuel or other equipment, etc. I very much get the feeling the likely outcomes are the plane is either at the bottom of the sea or theres something bigger afoot and not some mundane inbetween explanation.
 
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Hijackers are currently syphoning fuel out of cars within a 1000 mile radius of the dual carriageway where they landed. ;)
 
If you wanted to reuse the plane you'd best bring it down at an airport. It could obviously then be refuelled. You just need a rogue/complicit/bribable/sympathetic country/region/airport (possibly militrary airport).

I had forgotten about that scenario which would obviously be preferable for the hijackers and would make most of my questions irrelevant. I was thinking of a scenario where they landed at a long abandoned airstrip with very little equipment
 
I think the answer to that is along the lines of: How do you propose to 'triangulate' something using a single satellite?

AFAIK they've used the signal strength to get a rough estimate but that's all it is.

Probably not. It'll most likely be a similar way GPS satellites work. Technicians would have worked out the delay between the signal being sent and the time it took to come back with a reply. They know how high the satellite is and they know approximately how high the plane is (10 miles here or there will be nothing compared to the tens of thousands of km up the satellite is) so can work out an approximate distance from the satellite using the delay.

Obviously there will be some delay within the planes systems and satellite but estimations of that will remove most of the error. GPS does something similar, with the unit reading the signal from the satellite and working out when it was sent, with two or more satellites that gives multiple arcs and an increasingly accurate position .
 
Neither will switching the power off...

That's why I said they should be independently powered though..

Sorry, what should be independently powered?

It wasn't turned off due to fire. The CB might have popped but if it was turned off it wasn't because of fire. They would have no clue what so ever what was burning down there.

If it was turned to standby it wouldn't do squat the box is still powered.
 
You need signals from 3 satellites to triangulate

Actually you'd need two in this situation, that will give you an intersection (an X marks the spot- unless you've done something very wrong!). The third satellite would give you a height and a level of accuracy (triangle of intersection) which you probably wouldn't need in this case.
 
Actually you'd need two in this situation, that will give you an intersection (an X marks the spot- unless you've done something very wrong!). The third satellite would give you a height and a level of accuracy (triangle of intersection) which you probably wouldn't need in this case.

You need a minimum of 3 to get a location.
You cant get a location without altitude, this is 3D space.
 
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