Which channels are used to transmit critical and urgent items?

• A. Public announcements and memos
• B. Fax and courier
• C. Company email and Crew Web messages
• D. SMS and social media

Answer: (C)

When transmitting critical and urgent items, you need fast, reliable, and controlled internal channels that reach the right crew and allow you to confirm receipt. Company email provides quick, broad reach with the ability to mark messages as high priority and track delivery. Crew Web messages are built for in-flight crew communications, offering real-time delivery to specific crew groups and typically providing read receipts or status updates. Using these two channels together gives speed, targeting, and traceability essential for urgent operational items.

Public announcements and memos are slower and less targeted, making them unsuitable for urgent needs. Fax and courier are outdated for rapid updates and lack immediate confirmability. SMS can be fast, but pairing it with social media introduces privacy and reliability concerns and is not appropriate for official critical communications.