BEIJING, March 9 -- A Chinese coast guard vessel has entered the waters around the suspected site of the missing Malaysian plane to carry out a rescue mission.

As of 11:30 a.m. on Sunday, the vessel "China Coast Guard 3411" has entered the area and was about 45 nautical miles from where the plane was believed to be when it lost contact with ground control, according to China's State Oceanic Administration.

It is expected to reach the spot at about 2 p.m. on Sunday.

All crew members on board the ship are now working in six teams in charge of lookout, search, communication, medical treatment, motorboat rescue and logistic supplies, according to the administration.

Contact with the flight was lost along with its radar signal at 1:20 a.m. Beijing time on Saturday when it was flying over the Ho Chi Minh air traffic control area in Vietnam.

The flight was carrying 12 crew members and 227 passengers, including 154 Chinese.