#MH370 - What happened? Your theories?DT notepg17 - Page 41

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Kulfii. thumbnail
13th Anniversary Thumbnail Dazzler Thumbnail Commentator Level 1 Thumbnail
Posted: 11 years ago

Malaysia Airlines: How do you track a plane?

Graphic: Malaysia Airlines Boeing 777-200ER
Continue reading the main story

With Malaysia Airlines flight MH370 now missing for more than five days, authorities seem no closer to determining its fate.

One of the most perplexing aviation disasters of modern times has focused attention on how aircraft are tracked, and how a large passenger plane can effectively disappear without trace.

The Malaysia Airlines Boeing 777-200ER vanished from air traffic control screens at approximately 0120 local time on Saturday, an hour after leaving Kuala Lumpur bound for Beijing.

Theories have circulated from hijacking or sabotage, to a slow loss of cabin pressure which caused the crew and passengers to become disorientated, but concrete facts remain elusive.

Aircraft normally communicate with the ground using a number of systems, all of which, in this instance, appear to have failed.

line break
How are aircraft normally tracked?
Graphic: How planes can be tracked

Air traffic control monitors all aircraft with secondary radar. This combines radar waves, which determine a plane's location, with a signal beamed back by the plane's transponder to identify it.

All commercial aircraft are equipped with transponders (an abbreviation of "transmitter responder"), which automatically transmit a unique 4-digit code when they receive a radio signal sent by radar.

While the code gives the plane's identity, radar stations establish speed and direction by monitoring successive transmissions. This flight data is relayed to air traffic controllers.

Primary radar - based on the earliest form of radar developed in the 1930s and today mostly used as a back-up - can only show the position of an aircraft in the sky and cannot identify it.

Once an aircraft is more than 240km (150 miles) out to sea, radar coverage usually ends and air crew keep in touch with air traffic control and other aircraft using high-frequency radio.

Flight MH370 disappeared from air traffic control screens when its transponder signal stopped. The last definitive sighting on civilian radar showed the plane flying north east across the Gulf of Thailand.

@Bold & underlined- Poppy, here is the answer to your question about how this plane can escape detection by Indian Radars.

Edited by SG200 - 11 years ago
poppy2009 thumbnail
16th Anniversary Thumbnail Rocker Thumbnail Engager Level 1 Thumbnail
Posted: 11 years ago
New Evidence Suggests That Plane Disappearance Was A Deliberate Act
Two U.S. officials believe the shutdown of two separate communications systems from the missing Malaysia Airlines Flight 370 happened at different times, indicating the disappearance was less likely the result of a catastrophic failure and more the result of a "deliberate act," according to a new report from ABC News.

Sources speaking with ABC believe the data reporting system was shut down at 1:07 a.m., while the transponder - sending out location and altitude data - was shut down at 1:21 a.m.

U.S. investigators are "convinced that there was manual intervention," one source told ABC, indicating an accident is not the reason the plane vanished.

If the disappearance of the plane were a result of a catastrophic failure, such as an explosion or engine malfunction, the systems likely would have stopped transmitting at the same time or within a much shorter period. But a 14-minute delay raises even more questions.

Further, investigators suspect the missing flight stayed in the air for about four hours after it reached its last confirmed location, according to Andy Pasztor of The Wall Street Journal.

With an accident becoming less likely, the scenarios for what happened are a hijacking or actions by rogue crew members. One person close to the investigation told The Wall Street Journal that there could be a third possibility: The plane could have been diverted "with the intention of using it later for another purpose."

"That's been a possibility right from the start," Patrick Smith, an airline pilot and author, told Business Insider's Michael Kelley. "It's very unlikely, but I suppose it's conceivable."

Edited by poppy2009 - 11 years ago
ponymo thumbnail
13th Anniversary Thumbnail Sparkler Thumbnail + 4
Posted: 11 years ago

With all the technology at their disposal, they took 7 days to get to know that there was a 14 minute delay b/w switching off of the two systems? 🤔

Kulfii. thumbnail
13th Anniversary Thumbnail Dazzler Thumbnail Commentator Level 1 Thumbnail
Posted: 11 years ago

'Seismic Event' Close to Missing Jet Path: China Scientists

BEIJING - A "seismic event" consistent with an airplane crash has been detected on the sea floor close to where the missing Malaysia Airlines jet lost contact with air traffic control on Saturday, Chinese scientists said Friday.

The signal detected by two stations in Malaysia appeared to indicate that a small tremor occurred on the floor of the sea at 2:55 a.m. about 95 miles south of Vietnam, the scientists said in a statement posted on the website of the University of Science and Technology of China.

"It was a non-seismic zone, therefore judging from the time and location of the event, it might be related to the missing MH370 flight," said the statement. "If it was indeed an airplane crashing into the sea, the seismic wave strength indicated that the crash process was catastrophic."

The area where the tremor was detected about 70 miles from where the Boeing 777 was last heard from, and 85 minutes after the jet carrying 239 people lost contact,according to South China Morning Post newspaper.

Image: Map of aUNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
A map of a "seismic event" consistent with an airplane crash on the sea floor close to where missing Malaysia Airlines jet lost contact with air traffic control was released by Chinese scientists on Friday. The black star indicates where the plane lost contact, the red star where the event was detected and the blue triangles show the locations of seismic monitors. The black waves on the bottom right of the map show recording of the tremors.

Satellite images from China on Wednesday appeared to show possible crash debris but it later emerged that a search of the area had found no sign of the plane, and Malaysia officials said the pictures had been released by "mistake."

China is known to be impatient over the lack of progress in the investigation.

There has been no trace of the jet or sign of wreckage despite a search by the navies and military aircraft of more than a dozen countries across Southeast Asia.

On Thursday, the White House said that an additional search area for the missing flight may be opened in the Indian Ocean, significantly broadening the potential location of the plane.

.shinchan. thumbnail
13th Anniversary Thumbnail Trailblazer Thumbnail + 7
Posted: 11 years ago

Originally posted by: .shinchan.

I believe in aliens too


Aajtak also considers Alien Abduction theorey
mayumi thumbnail
14th Anniversary Thumbnail Voyager Thumbnail
Posted: 11 years ago
At this point it is just looking like Chinese researchers are trying to out smart the USA ones with the article about seismic activity because their search activity is in completely opposite direction.
return_to_hades thumbnail
19th Anniversary Thumbnail Stunner Thumbnail + 6
Posted: 11 years ago

Originally posted by: TheJake


Or it went to meet long lost cousin, Titanic.



Amidst a forum terrified over the baffling possibilities, you are one of the few who GOT IT.
Novarieaa thumbnail
14th Anniversary Thumbnail Stunner Thumbnail + 2
Posted: 11 years ago
Deliberate act?

Oh my! What's next?!

I can't believe anything they say right now. Pretty sure few hours later Mal govt will deny this too. 🥱

They're simply playing with the emotions of the families of the victims.
Edited by -Rhythmic.Me- - 11 years ago
TheJake thumbnail
13th Anniversary Thumbnail Sparkler Thumbnail + 6
Posted: 11 years ago

Originally posted by: return_to_hades



Amidst a forum terrified over the baffling possibilities, you are one of the few who GOT IT.


I was the first to 'get it' --- in the first page ... but then I got a lecture from BW members. 😆
NautankiSaali17 thumbnail
17th Anniversary Thumbnail Easter Egg Contest Winner (2023) Thumbnail + 7
Posted: 11 years ago

(CNN) -- Yet another theory is taking shape about what might have happened to missing Malaysia Airlines Flight 370: Maybe it landed in a remote Indian Ocean island chain.

The suggestion -- and it's only that at this point -- is based on analysis of radar data revealed Friday by Reuters suggesting that the plane wasn't just blindly flying northwest from Malaysia.

Reuters, citing unidentified sources familiar with the investigation, reported that whoever was piloting the vanished jet was following navigational waypoints that would have taken the plane over the Andaman Islands.

Flight 370 search expands to Indian Ocean

The radar data doesn't show the plane over the Andaman Islands, but only on a known route that would take it there, Reuters cited its sources as saying.

Andaman Island editor: 'No plane here'
'Significant likelihood' plane in ocean

The theory builds on earlier revelations by U.S. officials that an automated reporting system on the airliner was pinging satellites for hours after its last reported contact with air traffic controllers. That makes some investigators think the plane flew on for hours before truly disappearing.

Aviation experts say it's possible, if highly unlikely, that someone could have hijacked and landed the giant Boeing 777 undetected.

But Denis Giles, editor of the Andaman Chronicle newspaper, says there's just nowhere to land such a big plane in his archipelago without attracting notice.

Indian authorities own the only four airstrips in the region, he said.

"There is no chance, no such chance, that any aircraft of this size can come towards Andaman and Nicobar islands and land," he said.

The Malaysian government said Friday it can't confirm the report.

And a senior U.S. official on Thursday offered a conflicting account, telling CNN that "there is probably a significant likelihood" the plane is on the bottom of the Indian Ocean.

Regardless, India has deployed assets from its navy, coast guard and air force to the south Andaman Sea to take part in a search for Flight 370, the country's Ministry of Defense said Friday. The Indian navy is leading the operation, and its Maritime Operations Center in New Delhi is coordinating the effort, the ministry said.

Indian search teams are combing large areas of the archipelago. Two aircraft are searching land and coastal areas of the island chain from north to south, an Indian military spokesman said Friday, and two coast guard ships have been diverted to search along the islands' east coast.

The jetliner, with 239 people on board, disappeared nearly a week ago as it flew between Kuala Lumpur, Malaysia, and Beijing. The flight has turned into one of the biggest mysteries in aviation history, befuddling industry experts and government officials. Authorities still don't know where the plane is or what caused it to vanish.

Suggestions of what happened have ranged from a catastrophic explosion to hijacking to pilot suicide.

Malaysian officials, who are coordinating the search, said Friday that the hunt for the plane was spreading deeper into both the Indian Ocean and the South China Sea.

"A normal investigation becomes narrower with time, I understand, as new information focuses the search," said Hishammuddin Hussein, the minister in charge of defense and transportation. "But this is not a normal investigation. In this case, the information we have forces us to look further and further afield."

On Friday, the United States sent the destroyer USS Kidd to scout the Indian Ocean as the search expands into that body of water.

"I, like most of the world, really have never seen anything like this," Cmdr. William Marks of the U.S. 7th Fleet told CNN of the scale of the search. "It's pretty incredible."

"It's a completely new game now," he said. "We went from a chess board to a football field."

More on the landing theory

James Kallstrom, a former FBI assistant director, said it's possible the plane could have landed, though he added that more information is needed to reach a definitive conclusion. He referred to the vast search area.

"You draw that arc and you look at countries like Pakistan, you know, and you get into your Superman novels and you see the plane landing somewhere and (people) repurposing it for some dastardly deed down the road," he told CNN's Jake Tapper on Thursday.

"I mean, that's not beyond the realm of realism. I mean, that could happen."

Even so, he acknowledged the difficulty of reaching firm conclusions with scraps of information that sometimes conflict.

"We're getting so much conflicting data," he said. "You veer one way, then you veer the other way. The investigators need some definitive, correct data."

Other developments

On the seventh day of efforts to find the missing Boeing 777-200, here are the other main developments:

Another lead: Chinese researchers say they recorded a "seafloor event" in waters around Malaysia and Vietnam about an hour and a half after the missing plane's last known contact. The event was recorded in a nonseismic region about 116 kilometers (72 miles) northeast of the plane's last confirmed location, the University of Science and Technology of China said.

"Judging from the time and location of the two events, the seafloor event may have been caused by MH370 crashing into the sea," said a statement posted on the university's website.

Tracking the pings: Malaysian authorities believe they have several "pings" from the airliner's service data system, known as ACARS, transmitted to satellites in the four to five hours after the last transponder signal, suggesting the plane flew to the Indian Ocean, a senior U.S. official told CNN.

That information, combined with known radar data and knowledge of fuel range, leads officials to believe the plane may have made it as far as the Indian Ocean, which is in the opposite direction of the plane's original route, from Kuala Lumpur to Beijing.

Why the Indian Ocean? Analysts from U.S. intelligence, the Federal Aviation Administration and National Transportation Safety Board have been scouring satellite feeds and, after ascertaining no other flights' transponder data corresponded to the pings, came to the conclusion that they were likely to have come from the missing Malaysian plane, the senior U.S. official said.

Indian search teams are combing large areas of the Andaman and Nicobar islands, a remote archipelago in the northeast Indian Ocean.

Malaysian response: In a statement Friday, Malaysia's Ministry of Transport neither confirmed nor denied the latest reports on the plane's possible path, saying that "the investigation team will not publicly release information until it has been properly verified and corroborated." The ministry said it was continuing to "work closely with the U.S. team, whose officials have been on the ground in Kuala Lumpur to help with the investigation since Sunday.

U.S. experts are using satellite systems to try to determine the possible location of the plane, Azharuddin Abdul Rahman, director general of the Malaysian Department of Civil Aviation, said at a news conference Friday.

On Thursday, Malaysia Airlines Chief Executive Ahmad Jauhari Yahya said that Rolls-Royce, the maker of the plane's engines, and Boeing had reported that they hadn't received any data transmissions from the plane after 1:07 a.m. Saturday, 14 minutes before the transponder stopped sending information. He was responding to a Wall Street Journal report suggesting the missing plane's engines continued to send data to the ground for hours after contact with the transponder was lost.

The Wall Street Journal subsequently changed its reporting to say that signals from the plane -- giving its location, speed and altitude -- were picked up by communications satellites for at least five hours after it disappeared. The last "ping" came from over water, the newspaper reported, citing unidentified people briefed on the investigation.



http://www.cnn.com/2014/03/14/world/asia/malaysia-airlines-plane/index.html?hpt=hp_t1

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