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- Dubai 05:28 06:47 12:13 15:10 17:33 18:51
A year on from the disappearance of Malaysia Airlines Flight MH370, an extraordinary amount of key data remains unknown - fuelling conspiracy theories and heated online debate about one of aviation's biggest mysteries.
An information vacuum has nourished a cottage industry of experts and amateurs in cyberspace who continue to exhaustively pick the case apart in a bid to find out just what happened to the plane and its 239 passengers and crew.
The resulting theories range from the wild - alien abduction, MH370 and its doomed fleetmate MH17 were the same plane - to sober, science-based arguments that the plane is in the southern Indian Ocean, but not necessarily in the current search area.
What they all agree on is that some key pieces of the puzzle are missing.
"It's amazing how much information we don't have after looking at this case for all this time," said Jeff Wise, an aviation expert whose recently published Kindle book 'The Plane That Wasn't There' reached No.1 on Amazon's bestseller lists.
The Boeing 777 lost contact with air traffic control shortly after taking off from Kuala Lumpur, bound for Beijing, early on March 8, 2014, as it flew across the Gulf of Thailand close to a navigational waypoint called Igari.
Just about everything that happened thereafter is hotly debated.
Malaysia's air force said its radar tracked the plane as it turned back, re-crossed the Malay Peninsula and flew out of range off the northwest coast.
Official investigators used analysis from British firm Inmarsat of "pings" to its satellite from MH370 to plot two vast arcs - one to the north and one to the south - across which it may have flown. Combining those faint pings with data from the plane, they concluded it had turned south and flown for hours before crashing into the southern Indian Ocean.
That conclusion has been challenged by aviation bloggers and freelance investigators, who have questioned key radar plots and assumptions about the speed and fuel burn of the jet.
Lending credence to some of the skeptics, Tim Clark, head of Emirates Airlines, said last November he believed information was being withheld and questioned the Malaysian military's assertion that it took no action because it identified MH370 as "friendly" when it suddenly reversed course.
The Malaysian government, which is due to release an interim report on the investigation before the March 8 anniversary, has always denied withholding information and said its position was unchanged.
New York-based Wise, like many others, confessed to becoming somewhat obsessed, even buying additional satellite data in an attempt to confirm his theory the plane flew north along national borders to avoid radar before landing in Kazakhstan.
Another independent investigator, retired telecoms engineer John Fiorentino, whose early challenges to reports of sightings of wreckage in the Indian Ocean were taken up by families' group Voice370, has pressed on despite ill-health.
That level of devotion has led to bad blood between supporters of rival theories.
The Independent Group (IG), comprised of around a dozen satellite, data, maths and aviation experts, expelled Wise this week following articles linked to his book.
"It's a bunch of garbage," said New Zealand-based IG member Duncan Steel.
Wise, a former pilot, has himself banned anybody who uses the word "lightning" from his website. Fiorentino has been blocked from several blogs for, he says, questioning theories.
And those theories run the gamut.
Alongside Wise's Russian theory is the suggestion by the boss of former French regional airline Proteus, Marc Dugain, that the plane flew toward the U.S. Navy base at Diego Garcia and was shot down.
RIGHT TO KNOW
IG, perhaps the most credible of the groups, has maintained that the plane is in the southern Indian Ocean, near the so-called "7th arc" currently being searched by an Australian-led international team, with whom it has been in regular contact.
But the group stresses that missing data would more clearly pinpoint the resting place and that it may well be outside the current search area.
Many of the bloggers cite the right for relatives and loved ones of the missing to know what happened as a driving factor.
Sarah Bajc, the partner of passenger Phillip Wood, is thankful for the persistence of those who continue to pursue their own investigations into what happened.
"I'm exceedingly grateful for the efforts put forth by the IG ... they are invaluable to point out the inaccuracies of the fabricated story we have been told," Bajc said by email.
Bajc, however, does not subscribe to IG's theory, believing that the plane is not in the southern Indian Ocean at all.
"I want an independent investigation ... perhaps led by the U.N.," she said. "Despite extensive efforts we still have no idea why MH370 went silent at Igari, or where the plane is now."
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