Indonesia has sent out two Cessna jets to investigate reports of smoke coming from an island near where AirAsia Flight 8501 may have crashed, CBS News reports. The smoke was spotted at Belitung Island, notes TVNZ, one of two islands bordering a shipping channel where the flight vanished over shallow waters yesterday. Meanwhile, the Guardian reports that the US Navy has authorized the USS Sampson to join the search; CNN notes that the hunt already includes over 1,100 search-and-rescue personnel from Indonesia, Australia, New Zealand, Japan, South Korea, Malaysia, and Singapore. Believing that the flight and its 162 people may be "at the bottom of the sea," Indonesia has asked the US, France, and the UK for assistance with sonar devices that can scan underwater. (More plane crash stories.)