Kuala Lumpur: Chinese physics student Jimmy Wang had no interest in aviation until March 8, when Malaysia Airlines flight MH370 went missing with his 58-year-old father Wang Lijun aboard.
But Wang, 31, now spends evenings in central China combing through aviation blogs for Boeing 777 technical specs, exchanging what he finds with fellow MH370 next-of-kin.
He is one of hundreds of relatives who -- desperate to learn the fate of their loved ones -- are channelling their grief in a cross-border, social-media-enabled, but so far frustrating citizen campaign to solve aviation`s greatest mystery.
Through Chinese micro-blogging site Weibo -- 153 Chinese were aboard MH370 -- a closed Facebook group, and Skype "meetings" of up to dozens of people, participants exchange findings, discuss the latest theories, and proposals for group action.
The group, calling itself Voice370 with some 300 members, receives and debates advice from aviation, legal and other experts, while similar groups formed after previous disasters such as the 2009 Air France crash offer support.
While some face-to-face meetings have been held, most exchanges are conducted via webcam or extensive email strings, with members voting on strategies for pushing Malaysia Airlines and governments involved in a still-fruitless search for more information.
In doing so, they juggle time zones and language barriers -- "meetings" are held mainly in English, with bilingual Chinese translating for their countrymen.
"You get tired, and part of you wants to put it behind and say `That`s where it all ends`, and part of you says, `You can`t rest until you figure things out,`" said KS Narendran, 50, a soft-spoken Indian business consultant, whose wife, Chandrika Sharma, was on MH370.
Flight MH370 disappeared with 239 people en route from Kuala Lumpur to Beijing. No trace has been found despite an extensive, Australian-led search in the southern Indian Ocean.
Some next of kin have sharply accused the airline and Malaysian authorities of a bungled response -- its military tracked MH370 on radar after it mysteriously diverted, but did nothing -- and withholding data from the public.
In an open letter to authorities in Malaysia, Australia and China in May, a skeptical Voice370 demanded to see satellite and other data that Malaysia says indicates MH370 went down in the Indian Ocean.
The information was eventually released but shed little light on what happened.
In June, several families, including Bajc, launched a drive to raise USD 5 million for any whistle-blower with information on the jet`s fate. Only USD 100,500 has been raised.