Use the voice features of a ______ to broadcast info to an aircraft with communications failure.

• A. NAVAID
• B. Radio
• C. Transponder
• D. Beacon

Answer: (A)

The correct choice is a NAVAID, which stands for Navigational Aid. NAVAIDs are critical components in the air traffic management system, and many of them are equipped with voice capability to provide important information. When an aircraft experiences a communications failure, it is essential to provide the pilot with guidance and information for safety. Voice features of certain NAVAIDs can broadcast pre-recorded messages, ensuring that the aircraft can still receive crucial updates and instructions even when other forms of communication are compromised.

In contrast, other options like radios, transponders, and beacons serve different functions. Radios are the primary means of communication, but they wouldn't broadcast information independently in a situation where the aircraft is experiencing a failure. Transponders are used for sending information about the aircraft's identity and location to air traffic control, but they do not have voice broadcasting capabilities. Beacons mainly provide navigation assistance and location information but do not typically include voice features for broadcasting direct information to pilots.