When should I press loc and app button on cs 777-300er?

No, There are two parts to an ILS. The Localizer (LOC) which will give you guidance left to right. And then there is the Glideslope which gives you vertical guidance. Unless you are flying a “straight in” approach, you typically intercept the localizer at 30 degrees. Meaning you’d turn “into” the …

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When to press LOC & APP button on CS 777-300er?

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TheSevenflyer March 18, 2023, 6:05pm 13

The autopilot is the master switch for those functions.
If you turn it off, they won’t work.