Malaysia government says financial assistance has been given to families . Thailand tweets it 's ` ` examining additional suspect # passports '' Vietnamese navy finds new ship ; Thai navy expands search area . The deadliest commercial air crash ever involving a single plane occurred almost 30 years ago on August 12 , 1985 , in the mountains of central Japan . Radar data indicates the missing plane may have turned back , officials say .
Malaysia government says financial assistance has been given to families . Thailand tweets it 's ` ` examining additional suspect # passports '' Vietnamese navy finds new ship ; Thai navy expands search area . Radar data indicates the missing plane may have turned back , officials say .