Which roll mode is displayed on the FMA when LNAV is preselected before takeoff?

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Multiple Choice

Which roll mode is displayed on the FMA when LNAV is preselected before takeoff?

When LNAV is preselected, the system prepares the lateral navigation to engage after takeoff, so the Flight Mode Annunciator shows LNAV as armed. This armed state is displayed on the FMA in white letters, signaling that LNAV is ready to go once the autopilot engages. It isn’t simply blank or not displayed, because preselection guarantees the mode is registered and ready. If LNAV were not preselected, it would not appear as armed on the FMA, which is why this white-armed indication is the correct representation for a preselected LNAV.

When LNAV is preselected, the system prepares the lateral navigation to engage after takeoff, so the Flight Mode Annunciator shows LNAV as armed. This armed state is displayed on the FMA in white letters, signaling that LNAV is ready to go once the autopilot engages. It isn’t simply blank or not displayed, because preselection guarantees the mode is registered and ready. If LNAV were not preselected, it would not appear as armed on the FMA, which is why this white-armed indication is the correct representation for a preselected LNAV.

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