A flight data recorder (FDR; also ADR, for accident data recorder) is an electronic device employed to record instructions sent to any electronic systems on an aircraft. The data recorded by the FDR are used for accident and incident investigation.

The Sacred Cow carried President Roosevelt to the Yalta Conference in February 1945. Illustrating the high stakes associated with presidential airlift, the Sacred Cow’s serial number was changed for the flight as a special security measure.

2017年9月27日 · President Roosevelt secretly arranged the plane to transport him to Casablanca to meet Prime Minister Churchill to discuss Allied military strategy, supplying the Soviet Union, and opening a second front in Western Europe.

The FDR onboard the aircraft records many different operating conditions of the flight. By regulation, newly manufactured aircraft must monitor at least eighty-eight important parameters such as time, altitude, airspeed, heading, and aircraft attitude.

Flight Data Recorder (FDR) - device used to record specific aircraft performance parameters. The purpose of an FDR is to collect and record data from a variety of aircraft sensors onto a medium designed to survive an accident.

The plane was specially designed for Franklin D. Roosevelt to meet the president’s increased needs for international travel during World War II. Though it was officially named the Flying White House, the White House press corps began calling the aircraft the “Sacred Cow,” a name inspired by the heavy security that was dedicated to keeping ...

A Flight Data Recorder (FDR), known as the "black box," is a pinnacle of aviation safety technology. Embedded within the fuselage of an aircraft, this unassuming device serves as an unsung hero, silently gathering a treasure trove of invaluable data throughout each flight.

2009年11月16日 · On January 11, 1943, Franklin D. Roosevelt becomes the first president to travel on official business by airplane. Crossing the Atlantic by air, Roosevelt flew in a Boeing 314 Flying Boat...

Flight Data Recorder (FDR) The HFR5-D FDR is a crash survivable recording device made for commercial air transport aircraft to accommodate mandatory flight data recording in a crash survivable memory unit.

The main function of the flight data recorder (FDR) is to preserve the aircraft data in order to determine the cause of any aircraft accident. It is also used to gather information for trend analysis and troubleshooting. In smaller aircraft the FDR may be combined with a cockpit voice recorder.