What is FCC on Boeing 777? (Flight Control Computer)

Flight Control Computer (FCC) is a critical component of the Boeing 777 aircraft, responsible for managing and controlling various flight functions. The FCC on the Boeing 777 is a highly sophisticated system that plays a key role in ensuring the safe and efficient operation of the aircraft.

The Boeing 777 is equipped with three Flight Control Computers, which work together to provide redundancy and enhance the overall reliability of the system. These computers are designed to process input data from various sensors and pilot controls to determine the appropriate adjustments needed to control the flight surfaces and systems of the aircraft.

Functions of Flight Control Computer

One of the main functions of the Flight Control Computer on the Boeing 777 is to provide fly-by-wire control of the aircraft. Fly-by-wire technology replaces the traditional mechanical linkages with electronic signals, allowing for more precise and efficient control of the aircraft’s flight surfaces.

The FCC also plays a crucial role in managing the autopilot system of the Boeing 777. It processes input from the autopilot control panel and other sensors to maintain the desired altitude, heading, and speed of the aircraft during flight. The FCC continuously monitors the aircraft’s position and adjusts the flight controls as needed to ensure a smooth and stable flight.

Redundancy and Safety Features

The Boeing 777 is known for its robust redundancy and safety features, and the Flight Control Computer is no exception. With three independent FCCs working in tandem, the aircraft is designed to continue operating safely in the event of a failure in one of the computers.

In addition to redundancy, the FCC is equipped with built-in self-test and diagnostic capabilities. These features allow the system to detect any abnormalities or malfunctions and take corrective actions to mitigate potential risks. The advanced monitoring and fault detection systems of the FCC contribute to the overall safety and reliability of the Boeing 777 aircraft.

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