The data recorder
gathers information about the plane's speed, altitude and direction.
The voyage data recorder
, similar to an airplane's black box, may contain the last 12 hours of engine orders and other communications.
International regulations about the safety of ships at sea require every modern vessel to be equipped with a voyage data recorder
to assist investigations in the event of an accident.
Speaking in Jakarta, Bambang Soelistyo told reporters: "I received information from the National Transport Safety Committee chief that at 07:11 (00:11 GMT), we succeeded in bringing up part of the black box that we call the flight data recorder
Indonesia's meteorological agency has said that stormy weather likely caused the Airbus A320-200 to go down but a definitive answer is impossible without the data recorders
A cockpit voice recorder contains the conversations in the cockpit, while a flight data recorder
logs technical data such as the plane's altitude, speed and route.
The search for the data recorder
had been described as challenging due to the "nature of the environment" where the wreckage was located.
Both data recorder
and voice recorder will be sent to China today (Wednesday)," he told Xinhua by phone.
said Wednesday it will deliver 150 more devices to North America to read data stored in an event data recorder
installed in all Toyota cars sold there.
Mr Sleight said: "With an accident data recorder
we would have got positioning information, we would have got acceleration data, and any warnings received prior or after the accident sequence.
On Friday (1 August) Steven Chealander, a member of the NTSB, reported that there was no flight data recorder
installed on the aircraft.
Hinch (director, Office of Human Vehicle Performance research, US National Highway Traffic Safety Administration Vehicle Safety Research program), and Steiner (a senior automotive engineer, Keva Engineering) present a compendium of 30 papers on event data recorder
research, selected according to the following criteria: importance to understanding each EDR topic area, frequency of citation, status as a classic study, creativity or thoroughness, and value as an archival article or reference.