Datacom is primarily used for what?

• A. Texting for pilots
• B. Voice radio
• C. Data link for cockpit messaging
• D. Weather broadcasts

Answer: (A)

Datacom is a digital data link system used to move messages between the cockpit and ground facilities. Its primary purpose is to provide a data link for cockpit messaging, allowing structured text messages, flight plans, weather updates, and other operational data to be exchanged without relying on voice channels. This helps reduce voice radio congestion and speeds up the transfer of important information. While datacom can carry text-based messages, it’s about reliable data exchange between aircraft and ground systems, not just casual texting for pilots. Voice radio is for spoken communication, weather broadcasts come through separate weather information services, and the notion of texting is a byproduct of data messaging rather than its core function.