pkofman

X plane 11 autopilot

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Working on getting xplane 11 autopilot working. In every plane that comes with xplane 11 the alt function is not working or it is working incorrectly. The autopilot alt functions are not working and when the a.p is engaged the plane always climbs and won't hold a heading. If I sent the vs to a negative value or set the capture mode it blows right through the alt target. When I look at the trim wheel it appears to be working much too hard. Amy ideas. Right now the sim auto pilot is useless

 

Thoughts on what could be wrong?. Peter

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If you are wondering, the autopilot does work with XP11 beta 2. It sounds like you either have something corrupt in your installation or you are not following the instructions on how to use the autopilot. I doubt that it's the latter, so you might be better off asking about this on the xplane.org XP11 beta subforum. You might have run across a bug.

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If you are wondering, the autopilot does work with XP11 beta 2. It sounds like you either have something corrupt in your installation or you are not following the instructions on how to use the autopilot. I doubt that it's the latter, so you might be better off asking about this on the xplane.org XP11 beta subforum. You might have run across a bug.

 

Thank you. I'll try over there. Thxs. Pete

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Working on getting xplane 11 autopilot working. In every plane that comes with xplane 11 the alt function is not working or it is working incorrectly. The autopilot alt functions are not working and when the a.p is engaged the plane always climbs and won't hold a heading. If I sent the vs to a negative value or set the capture mode it blows right through the alt target. When I look at the trim wheel it appears to be working much too hard. Amy ideas. Right now the sim auto pilot is useless

 

Thoughts on what could be wrong?. Peter

 

You have to make sure that the autopilot is engaged, not only the flight director. If you click on the "alt" or "hdg" button, it will illuminate and the flight director will come on, but you have to manually engage the autopilot with the relevant button.

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You have to make sure that the autopilot is engaged, not only the flight director. If you click on the "alt" or "hdg" button, it will illuminate and the flight director will come on, but you have to manually engage the autopilot with the relevant button.

 

This is for xplane 11 beta

Yes that makes sense but in the stock 172 there is no fd button selection

so normally you select ap then alt hold or v/s ... where is the fd located if it needs to be selected

alt hold and v/s so not respond

 

In the king air there is a fd selection and ap

if i hit fd it shows in the annunciator panel ,but then if i hit ap and alt they who in the annunciator panel and fd is extinguished.

 

I also have the carenado m20j and it is doing the same thing

 

controller is x 52. 

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Lots of testing today. I thing it's something to do with my 52 pro throttle and joystick. I'll pull out an old joystick and try it tomorrow. It is definitely not working

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.. I having issues with the AutoPilot as well, might be me due to a luck of knowledge ( Though I have no issue with any of the AP in FSX)  or just a bug.

A. I'm trying to set the VS & the ALT but it's either this or this, can't have them together.

B. Can't find the FD in the C172SP ??

Any ideas

 

Tnx

 

Yair  

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9 hours ago, N1125Y said:

I'm trying to set the VS & the ALT but it's either this or this, can't have them together.

Those are two different "vertical" modes.  You can only have one vertical mode active at any one time.  

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...hummmm... so I can't set the desire altitude & rate of clime, very interesting, since I'm running FSX-SE and have no such issue I can set both to function at the same time    

 

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2 hours ago, N1125Y said:

...hummmm... so I can't set the desire altitude & rate of clime, very interesting, since I'm running FSX-SE and have no such issue I can set both to function at the same time    

 

It works a little differently in X-Plane. The "ALT" or "HOLD" mode will activate altitude hold at the current altitude. If you use the "V/S" or "FLCH" mode instead, the autopilot will set the appropriate climb rate or IAS speed and then, when the aircraft is about to reach the pre-selected altitude, the autopilot will switch to "ALT" mode and capture the pre-selected altitude. In other words, if you select "V/S" or "FLCH", it's not necessary to select "ALT" mode.

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On 3/11/2017 at 8:27 PM, N1125Y said:

.. I having issues with the AutoPilot as well, might be me due to a luck of knowledge ( Though I have no issue with any of the AP in FSX)  or just a bug.

A. I'm trying to set the VS & the ALT but it's either this or this, can't have them together.

B. Can't find the FD in the C172SP ??

Any ideas

The default C172 doesn't include an altitude preselector. You climb and hit ALT manually at the altitude you want.

This is intentional -- Phillip (one of the X-Plane devs) just wrote a post about it over at the .org. It's because on a typical C172 trainer, you wouldn't be likely to find that particular autopilot with the added altitude preselector function. At that point the avionics would be worth more than the airframe. There are some decked-out 172's out there, but X-Plane is trying to model what you're likely to find in the real world. For a more full-featured autopilot, fly one of the more complex plane models.

I'm sure at some point there will be either a free or payware C172 with all the bells and whistles, a G1000, synthetic vision etc. But the default XP11 version will stay pretty basic. Austin and the rest of the crew at Laminar are sticklers for detail with this kind of thing.

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I had the same problem with x52.  Try to disable the 2 rotating wheels on the throttle. In My case they where configured by default by xp as vertical and horizontal trim. This caused trouble with autopilot and the trim wheel worked very hard . Just go in the xp setup then in joystick config and move the 2 wheels. If they are associated to a trim control disable it and choose do nothing from the dropdown menu. Hope this Can be of some help

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Parrafin - (or anybody really) - does that mean the default C172 autopilot in XP11 is more realistic than the one Im used to in FSX/P3D?  and also - what about the AP in the Cirrus?  Those are the only planes Ive flown in XP so far and both APs are different (but both work).  took me a while to find the altimeter adjustment though(Cirrus)...even though it was right in front of my face!  hate it when that happens ;)

 

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13 minutes ago, sightseer said:

Parrafin - (or anybody really) - does that mean the default C172 autopilot in XP11 is more realistic than the one Im used to in FSX/P3D? 

It would depend on whether you're trying to simulate the vast majority of C172's that have more basic autopilots (like the default C172 in XP11), or one of the few where someone had dumped a ton of cash on avionics upgrades like altitude capture, glass cockpit, etc.

The default in XP11 is intended to be a standard C172 with what you'd expect to find in most of them, out in the real world.

Quote

and also - what about the AP in the Cirrus?  Those are the only planes Ive flown in XP so far and both APs are different (but both work).  took me a while to find the altimeter adjustment though(Cirrus)...even though it was right in front of my face!  hate it when that happens ;)

I haven't spent time in the Cirrus and don't know how the real one works, but I assume it's as close as Laminar can get it with the current state of XP11. I've heard that the Cirrus avionics will be updated for the G1000 when that new GPS is finished, and they're working on it.

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I know this is an old thread but I have recently got XP11, I'm glad I read this because it's been driving me nuts in the last few days.  On some aircraft there is no AP so I then choose another one.

I searched for ages on one aircraft, then I goggled it only to find a post where someone else had the same problem and the reply was from the author of the plane and he said he forgot to do that it was on his to-do list, shame because it is a nice aircraft.

So now if I set a course in Garmin I have to climb to the desired altitude before I can select the AP and ALT hold by then I've flown a good few miles off course.

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19 hours ago, Col1948 said:

 

So now if I set a course in Garmin I have to climb to the desired altitude before I can select the AP and ALT hold by then I've flown a good few miles off course.

which aircraft are you dealing with?  In the Cessna you can use VS mode to climb to altitude and in the Cirrus you can set a target alt and also use VS mode (with either HDG or NAV mode engaged).  If its another plane I cant help but Im sure there is a way.

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I have tried various aircraft and I'm sure the Cessna is one of them, what is VS mode?
I went on FSX today and flew a few aircraft using the Garmin which is slightly different to the one in XP, but having said that I found it a lot better, I will be honest I have had FS9 and FSX for a long time and mainly do a lot of ai stuff so don't fly very much.
I do like some of the aircraft in XP and I also like the scenery but after spending a lot of money buying the boxed version and a few payware aircraft I feel a bit disappointed.

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VS mode is vertical speed mode and in the Cessna you can press the VS button on the autopilot and then rotate the input knob so it says '+7' (or whatever it says, cant quite remember at this moment) and you can set a heading bug and takeoff and activate the autopilot with HDG mode and VS mode engaged and it will follow the heading and climb at the VS rate until you reach your altitude at which time you can either slowly decrease the VS rate to zero and then press ALT to hold that altitude or just press ALT.

 

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Perhaps a more informative answer would be how does the XP default Autopilot work compared with real life generic AP.  FSX comes with many "convenient" features, distorting the real working of AP.  

On 6/13/2017 at 1:48 PM, Col1948 said:

I have tried various aircraft and I'm sure the Cessna is one of them, what is VS mode?
I went on FSX today and flew a few aircraft using the Garmin which is slightly different to the one in XP, but having said that I found it a lot better, I will be honest I have had FS9 and FSX for a long time and mainly do a lot of ai stuff so don't fly very much.
I do like some of the aircraft in XP and I also like the scenery but after spending a lot of money buying the boxed version and a few payware aircraft I feel a bit disappointed.

Can you list these payware aircrafts?  Payware developer (the good ones) will provide their own AP and not using the default, and is better or functioning close to the real one. That has been my experience with payware.

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3 hours ago, Anxu00 said:

Perhaps a more informative answer would be how does the XP default Autopilot work compared with real life generic AP.  FSX comes with many "convenient" features, distorting the real working of AP.  

Can you list these payware aircrafts?  Payware developer (the good ones) will provide their own AP and not using the default, and is better or functioning close to the real one. That has been my experience with payware.

Right, and in many cases it's up the user to do some additional research, to learn how each autopilot works in every different plane model. Even the best payware plane developers don't always fully document the AP features. 

With regard to the default Cessna 172 in XP11, the name on the autopilot is "S-TEC Alike," possibly based on the S-TEC (Genesys Aerosystems) System Fifty Five X. Here's the PDF file manual for it:

http://genesys-aerosystems.com/sites/default/files/files/System Fifty Five X_ pdf(1).pdf

For anyone unfamiliar with it, you can get an idea of the basic functions by reading the In-Flight Procedures chapter (skip the pre-flight tests). I don't think the X-Plane version in the Cessna has all the functions, and it's missing some things in the display, but the basic operations of Heading, Heading/Nav, Vertical Speed, and Altitude (set current only, no "capture") are there.

When you fly a different plane, you may have to learn some slightly different AP features and control modes. A big part of using an AP successfully is being completely comfortable with it, especially knowing what mode is currently active.

One last tip: Make sure you have one keyboard key or switch on your flight yoke/joystick set to completely disable the AP. It's possible to get into some situations when you're learning AP functions where you'll need a "panic button" to switch it off. You'll need it for landing anyway. Use either the "servos on/off toggle" command, or "Disco servos, flt dir, yaw damper, trim." I use that last one, because sometimes a plane model will leave the trim engaged if you just hit servos off, which can lead to fighting the controls when taking over manual control. 

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