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A/P disconnects on flare when in land3 mode?

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Yesterday when I was landing the pmdg 737-800ngx using autoland the autopilot suddenly disconnected just after the flare and touchdown. I had everything set up correctly, land 3 annunciated, vref + 5 etc, I did not apply force to control columns either. It started the flare correctly at about 50ft, and just after touchdown the nose suddenly pitched up and made the aircraft bounce. It was like it would have toggled the go-around mode itself??The the A/P disconnection warning sounded. The A/P disconnection could have been because at the moment of the sudden pitch-up I reactively pushed forward on the stick to keep the aircraft on the runway. I believe there is a override function when you apply enough force on the columns?

 

I was flying online using squawkbox. Ive had this problem once before, that was also when flying online.. Never when flying offline though..

 

Anyone else with this weird uncommanded G/A mode activation problem? (Btw I have the fail op seleceted in the pmdg CDU menu)

It was like it would have toggled the go-around mode itself?

 

You can check this theory watching FMA modes. Coupled autopilots can do auto G/A, after touchdown this capability is lost, autopilot disengages.

 

I believe there is a override function when you apply enough force on the columns?

 

Of course.

  • Author

You can check this theory watching FMA modes. Coupled autopilots can do auto G/A, after touchdown this capability is lost, autopilot disengages.

 

 

 

 

But why would it toggle G/A by itself upon touchdown? Maybe there is some conflict with my keyboard/controller etc? I have CH pro pedals, flightsim yoke and thr quadrant. Using latest registered fsuipc, though i calibrate controllers via ch manager and I have no other problems with my controllers..

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