QUESTION: What is a SELCAL Test Set used for in aviation?

ANSWER: A SELCAL Test Set is used to test the Selective Calling system, which is a signaling method used by air traffic control to notify pilots of messages without using voice communication

QUESTION: How does a SELCAL Test Set work?

ANSWER: SELCAL Test Sets emit a specific audio tone unique to each aircraft, allowing pilots to be notified when air traffic control is trying to reach them without having to continuously monitor the radio

QUESTION: Why is it important for pilots to have a functioning SELCAL Test Set?

ANSWER: A functioning SELCAL Test Set ensures that pilots receive important messages from air traffic control promptly and accurately, reducing the risk of miscommunication during critical flight phases

QUESTION: How often should SELCAL Test Sets be tested and calibrated?

ANSWER: SELCAL Test Sets should be tested and calibrated regularly, typically during routine maintenance checks, to ensure their accuracy and reliability in signaling pilots

QUESTION: Can pilots operate aircraft without a functioning SELCAL Test Set?

ANSWER: It is not recommended for pilots to operate aircraft without a functioning SELCAL Test Set, as it is an important system for receiving critical communications from air traffic control during flights