When should you use a radio to communicate sensitive or operationally critical information?

• A. Use the radio for any and all information.
• B. Use it only when the dispatcher approves before sending any message.
• C. Use it only for routine status updates.
• D. Only when necessary and in accordance with NORAC radio procedures, ensuring clarity and brevity.

Answer: (D)

Communicate on the radio only when it’s necessary for safety, operations, or critical information, and do it using NORAC radio procedures with clarity and brevity.

In practice, radios are a shared safety tool. Messages should be limited to what affects train movements, authority, or important operational conditions. When you do speak, use standard phrasing, identify who you’re addressing, state the action needed, and keep details concise to avoid clutter and confusion. This approach helps ensure the right people get the right information quickly and reduces the chance of miscommunication on busy channels.

Other approaches would clog the channel with unnecessary chatter, cause delays by requiring dispatcher approval for every transmission, or omit important non-routine information. The best practice balances necessity with discipline, following the established NORAC procedures to maintain safety and efficiency.