Where would you look to determine what radio the other crewmember is transmitting on?

• A. RTS Indicator on EUFD
• B. The CCP pushbutton indicators
• C. The EUFD shows the assigned radio on the main display
• D. The transceiver front panel indicator

Answer: (A)

The key idea is to read the real-time transmit status for the other crew member. The RTS indicator on the EUFD is designed to show which radio the partner is currently transmitting on, updating as soon as the transmit path changes. This gives you a direct, unambiguous read of the partner’s active radio during operation.

Other indicators don’t provide that same real-time visibility. The CCP pushbutton indicators reflect your own selections or controls, not what the other person is transmitting. The EUFD’s main display might show which radio is assigned to you, but that doesn’t necessarily indicate the current transmitting path. The transceiver front panel indicator shows the status of a single unit you’re using, not the partner’s transmit activity.