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With a dual Nav radio setup (On autopilot panel) does the ILS frequency of the runway you're about touch down on need to be entered into both radios or just one? Cheers.

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It doesn't need to be entered in either receiver.

If you want the ILS info displayed on the #1 display, enter it in the #1 nav radio. If you want it on the #2 display, enter it in the #2 nav radio. If you want it displayed on both, then enter it in both. If you don't need it displayed - perhaps you're flying a visual approach - then you don't need to enter it anywhere.

Some procedures may require a particular setup, but in the general case it's up to the pilot.

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  • $\begingroup$ Thanks for taking the time to answer as it's confirmed what I understood to be the case. A certain flight simulator states that the RWY ILS frequency needs to be entered into both NAV 1 & NAV 2 radios when flying an ILS/DME approach. I realise of course that the sim world and real world don't always correspond exactly with each other @Ralph J $\endgroup$
    – Seaharrier
    Dec 1, 2023 at 8:42

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