Channel 3 is used for what?

Channel 3 is used for what?

• A. Pilot to HUD
• B. Data Link to ILS
• C. Computer to computer communication/interface
• D. Channel 1 redundancy

Answer: (C)

Channel 3 serves as the intercomputer data path. Its purpose is to carry computer-to-computer messages, status updates, and control signals between the mission computer and other onboard computers or I/O interfaces. This enables coordinated operation of subsystems (sensors, actuators, data processors) without involving the pilot-facing displays. Pilot to HUD is a display data path used for presenting information to the pilot, not for internal computer communication. Data Link to ILS involves navigation and landing data routing, a different function from intercomputer messaging. Channel 1 redundancy refers to a backup path, not the primary role of Channel 3.

Channel 3 serves as the intercomputer data path. Its purpose is to carry computer-to-computer messages, status updates, and control signals between the mission computer and other onboard computers or I/O interfaces. This enables coordinated operation of subsystems (sensors, actuators, data processors) without involving the pilot-facing displays.

Pilot to HUD is a display data path used for presenting information to the pilot, not for internal computer communication. Data Link to ILS involves navigation and landing data routing, a different function from intercomputer messaging. Channel 1 redundancy refers to a backup path, not the primary role of Channel 3.