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fppilot

G3000 VNAV led Green/Amber

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Can anyone clue me in as to what conditions send the G3000 AP from a normal green VNAV indicator lamp to an amber lamp, and how to clear it?  I have scanned through now (6) G3000 suite guides and can find no mention of it.  When amber it seems to lock down and is difficult to rectify.


Frank Patton
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Former USAF meteorologist & ground weather school instructor. AOPA Member #07379126
                       
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Lol. Did a Duckduckgo search on "amber vnav" and the first hit was this thread. So sorry, I can't help other than to offer asking on the WT discord, or if this is on the Hjet, their discord.

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-J

13700KF | RTX 4090 @ 4K | 32GB DDR5 | 2 x 1TB SSDs | 1TB M.2 NVMe

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@fppilot to further elaborate on why sometimes when you enter altitude constraints the vnav indication turns to amber and vnav becomes no longer active; as you enter new constraints a new vnav path is calculate based on the specified FPAs and restrictions , it is possible that with the new vertical path the aircraft finds itself above the calculated path outside of the allowed limitations of what it can do on its own ,, so it will toggle out of vnav to the default mode of pitch while still remembering that you had Vnav active so it keeps it armed, and expects the pilot to guide the aircraft via any of the available vertical modes like V/S , FLC or pitch to be within a predetermined tolerance below the active vnav path (in the hjet this will be easily visible on the VSD) , and once the aircraft is at or slightly below the path the LED will turn green and the aircraft will continue descent in "V PATH" mode .. think of it the same way as how you'd arm and the capture a glide slope.

Additionally, big horizontal deviation from the FMS path would cause Vnav to disengage and change from green to amber (from active to armed) until the aircraft is back within the X-track tolerance.

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