PMDG MD-11 – Autopilot does not disengage

[tupolev-154 0]

Hello

 

If I disengage the autopilot it does it partially only. That means that the ailerons can be operated manually but not the vertical level. It seems that it remains in the PROF mode. If APPR/LAND was set before

MD-11 follows the correct descent. But there is no way to operate the final manually. Sometimes however the MD-11 follows a wrong descent line (too short or too long) and there is no possibility to intervene.

If the flight lasts on hour or 90 minutes only the problem does not occur. I first thought REXessential/overdrive causes the Problem but this is obiviousliy not the case since it is the same the MS weather.

 

Has somebody experienced something similar? Or better is there a solution to resolve the problem?

 

Regards

Peter (LSZH)

 

(FSX, PMDG MD-11, REXessential+overdrive
Intel Core i7, 6 GB Cache, NVIDIA Geforce GTX570, SSD drive)

[pschlute 37]

How are you disengaging the AP ?

 

Do you have the RCWS option selected ?  ..... PMDG menu in the sim , .."airline options"

[Don t moderate me this way 882]

Is this related to the duration of your flights at all?

 

Recommendation is to assign a hotkey to the 'disengage' command (and to use this key command, of course ). Has worked for me every time.

[tupolev-154 0]

"RCWS Equipped" is selected (and "GPS/GNS equipped" too)

 

In order to disengage the AP I usually push twice the yellow knob on the yoke. PFD shows "AP OFF" and it keeps on following the descending path - no manual Intervention is possible

 

Peter

LSZH

 

PS. I have a picture of the situation but there is no possibility to attach it

[Don t moderate me this way 882]

Do you hear the aural 'A/P disconnect' alert after your first button push and does your second one silence it?

 

Attaching a picture works after converting it into jpg format (no more than 400 KB) and using the 'More Reply Options'.

[tupolev-154 0]

Using a hotkey ends in the same - there is no difference.

 

I hear the aural "A/P disconnect" and after pushing a second time the call out stops

 

 

[tupolev-154 0]

I have forgotten the mention that I didn't have any similar problems with other planes e.g. the B-737NG by iFly

[Don t moderate me this way 882]

So your elevator axis is functional in FSX, by and large? (Except for this nasty MD-11 )

 

Wondering whether you should submit a ticket to PMDG's support desk ...

(http://support.precisionmanuals.com/Main/Default.aspx)

[tupolev-154 0]

Thank you for helping me anyway - I will submit a ticket then to PMDG.

 

I wouldn't do this if I considered the MD-11 as a nasty plane :smile: - but obviously I have a nasty problem....

 

Have a good rest of the day!

 

Regards

Peter

LSZH