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Philipljung

Ap will not engage

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Okay, hear me out on this one, cause it is really getting on my nerves. My problem is: I can’t engage the autopilot in the Pmdg 737-800 NGX. What happens is that when I press the cmd autopilot in the top left corner of the ap engage buttons, nothing happens, the button gets pressed in but there is no green light and no signs of it working. I have checked peoples answers here on the forum (asked by other people) but all of the fixes they say don’t work for me. So I have to fly hour long flights without autopilot. By hand! Also, I can’t land ILS landings because of this. 

 

Some side information:

It started the most when I installed GSX on my pc.

If I try spamming the cmd engage button, sometimes it flashes green, but goes black again right afterwards.

I have tried pressing the other ap engage buttons but none of them work either.

All of the other buttons in my airplane work.

Im a part of virtual Norwegian and that is important for me so an answer quick would be extremely nice.

 

Thank you.

Philip.

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Hi,

I didn't go through the other topics to guess what you have tried so far but here is a couple of questions:

What is the configuration of the MCP and FDs when you try to engage the AP?

What is the panel state when you load the aircraft?

2 hours ago, Philipljung said:

It started the most when I installed GSX on my pc.

I guess it means you were able to engage the AP before you installed GSX? I don't how this could be related but have you tried disabling/uninstalling GSX?

Also a picture of the MCP, upper overhead and main panel (PFD/ND/Upper EICAS) could help spotting something if it were to be a configuration issue.

If all the other buttons work, I would be surprise that it is an issue with the aircraft. Without knowing anything about your knowledge and experience with the aircraft, I would suspect a possible mistake or misconfiguration.

For a moment, I also thought of maybe the aircraft would be out of trim or your joystick not at neutral position but it would trigger the autopilot warning with aural alert.

 

On a side note, please be informed that PMDG requires all the posts to be signed with full names (first and last) in their forum rules.

Edited by Budbud

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2 hours ago, Philipljung said:

By hand! Also, I can’t land ILS landings because of this. 

By the way, you can perfectly fly ILS approaches and land manually. You may mean you cannot perform autoland?

ILS approach and autoland are two different things.

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Okay, yup I just found out I don’t know that much about the aircraft like I thought I did. I can send a picture of the overhead panel later on. Both flight directors are on but I do not know quite what mcp is... The only difference I can think of is that I tried to start engines from scratch this time (not cold&dark). I don’t think it’s the calibration on the yoke either tbh. Thank you for the help and I will send a picture later on.

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10 minutes ago, Philipljung said:

what mcp is

MCP is the autopilot control panel (Mode Control Panel if I recall well).

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3 hours ago, Philipljung said:

I can’t engage the autopilot

In the real world if the aircraft is not in trim the autopilot will not engage. 🙂

 

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Also, when I press restart flight, the airplane spawns in what I would call a forced cold and dark. So what happens is that all the screens are black and I can’t press any knobs, switches or buttons. Neither can I use the yoke. But all of this happend when I installed fsx. So maybe my laptop is not strong enough, in that case I look forward to coming home to my gaming pc and play some fsx on that.

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11 minutes ago, Philipljung said:

Also, when I press restart flight, the airplane spawns in what I would call a forced cold and dark. So what happens is that all the screens are black and I can’t press any knobs, switches or buttons. Neither can I use the yoke.

This is a known issue/limitation of the sim. You cannot reload a complex addon like the NGX on top of itself or another one. Once you have loaded a flight with a complex addon, you have no other choice than restart the sim if you want to restart your flight. What you see is the consequence of load a complex addon on top of another one in the same sim session.

13 minutes ago, Philipljung said:

Black and white wheel?

This is the manual trim wheel but the normal way to trim the aircraft is to use the trim buttons on the yoke. In the sim you can assign the normal trim up/trim down command to two buttons of your yoke/joystick

3 hours ago, Philipljung said:

So I have to fly hour long flights without autopilot. By hand!

Well flying manually over long durations can be tedious but if you don't even know how to trim the aircraft it becomes a real ordeal! 😉

.

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I’m gonna try trimming right now:) thx for all suggestions and I will read the manual... 

 

 

I just have to find out where the manual is.😂🤣

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Also keep in mind to sign all your posts with your full names or they will be deleted as per forum rules.

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