Search parties have spotted the first potential sighting of a crash site for Malaysia Airlines flight MH370.

The flight was traveling from Kuala Lumpur, Malaysia to Bejing, China when Subang Air Traffic Control lost contact with the plane at 2:40 a.m. local time on March 8 while it was in Vietnamese airspace.

Malaysia Airlines reported that a search and rescue mission was mobilized on Saturday morning and The New York Times reported that a 12-mile oil slick was located on Saturday Evening (local time).

"An AN26 aircraft of the Vietnam Navy has discovered an oil slick about 20 kilometers in the search area, which is suspected of being a crashed Boeing aircraft -- we have announced that information to Singapore and Malaysia and we continue the search," said Lai Xuan Thanh, the director of the Civil Aviation Administration of Vietnam, according to The New York Times.

Flight MH370, which was supposed to land in Beijing at 6:30 a.m. CST on Saturday, was carrying an entirely Malaysian crew and 227 passengers from China/Taiwan, Malaysia, India, Indonesia, Australia, France, the U.S., New Zealand, Ukraine, Canada, Russia, Italy, the Netherlands, and Austria.

An full flight manifest can be found here. The families of all passengers and crew are being informed of the incident and anyone with questions or concerns can call +603 7884 1234