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    ILS inop after start from cold and dark

    Hawk T1/A Advanced Trainer
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    • W
      Wothan last edited by

      After having gone through the startup from "Cold & Dark" state, the ILS is inop.

      There are no warning or caution lights lit - ie. all electrical busses seems online.
      Setting the ILS freq and selecting ILS on the TACAN/ILS button does nothing - GS and NAV flags in the HSI are shown indicating that no ILS signal is received.

      Selecting "Ready to Start", and then go through the startup procedure from there, and the ILS will work just fine. Same for "Ready for Takeoff".

      Martyn 1 Reply Last reply Reply Quote 0
      • Martyn
        Martyn JF Staff @Wothan last edited by

        @wothan Is the mode selector on the ILS receiver set to ILS or VOR?

        1 Reply Last reply Reply Quote 0
        • W
          Wothan last edited by

          It is set to ILS

          1 Reply Last reply Reply Quote 0
          • RetiredMan93231
            RetiredMan93231 last edited by RetiredMan93231

            Are you following the startup checklists...? Did you set the AHRS (Leg Panel) to SLV...?

            W 1 Reply Last reply Reply Quote 0
            • Martyn
              Martyn JF Staff last edited by

              This will be fixed in the next update. In the meantime please make sure the VHF, UHF and ILS radios are all switched on.

              W 1 Reply Last reply Reply Quote 0
              • W
                Wothan @Martyn last edited by

                @martyn said in ILS inop after start from cold and dark:

                This will be fixed in the next update. In the meantime please make sure the VHF, UHF and ILS radios are all switched on.

                Thank You for Your quick reply.

                1 Reply Last reply Reply Quote 0
                • W
                  Wothan @RetiredMan93231 last edited by

                  @retiredman93231 said in ILS inop after start from cold and dark:

                  Are you following the startup checklists...? Did you set the AHRS (Leg Panel) to SLV...?

                  Yep - but regardless, the ILS should not be affected by the ARHS.

                  RetiredMan93231 1 Reply Last reply Reply Quote 0
                  • RetiredMan93231
                    RetiredMan93231 last edited by RetiredMan93231

                    Here is an excellent new YouTube video that goes through the entire cold and dark startup process... It even includes some very impressive airshow manuevers at the end! https://youtu.be/TqDILAAc9aA

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                    • RetiredMan93231
                      RetiredMan93231 @Wothan last edited by

                      @wothan said in ILS inop after start from cold and dark:

                      Yep - but regardless, the ILS should not be affected by the ARHS.

                      The HSI requires the AHRS to operate...

                      W 1 Reply Last reply Reply Quote 0
                      • W
                        Wothan @RetiredMan93231 last edited by

                        This post is deleted!
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                        • W
                          Wothan last edited by

                          The problem is that all radios needs to be turned on for the ILS radio to work.

                          I had forgotten to turn the UHF (COM 2) Radio on.
                          This should not be necessary in real life, but a fix is comming.

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                          • b3lt3r
                            b3lt3r last edited by

                            I have also found that on the ground, ILS will not come alive despite being tuned correctly and all the radios in the correct state. I suspect it' may be because I pre-tuned the freq before setting the radio states. Anyway, the fix for me is simple - change digit 1 by 1 notch and then set back to correct freq and it comes alive.

                            Martyn 1 Reply Last reply Reply Quote 0
                            • Martyn
                              Martyn JF Staff @b3lt3r last edited by

                              @b3lt3r That is also fixed in the update

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