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What could be the cause of both CMD's refusing to be active at the same time?

Featured Replies

Preparing to land I press the VOR LOC button followed by the APP button and finally both CMD buttons.

 

Sometimes however one of the two CMD buttons switches off. When I press it again the other button switches off. Not always but sometimes.

 

What could be the cause please?

 

Cliff

Cliff Harris

Are both of the ILS freq tuned to be the same? Is the APP actually engaged? Or just high lighted... 

- - Tommy - -

  • Author

The frequency on both are identical.

 

How do I check whether an unlighted APP is actually engaged?

 

Cliff

Cliff Harris

quote name="cliffardus" post="2720940" timestamp="1374464281"]How do I check whether an unlighted APP is actually engaged?

 

Check that LOC and G/S are green on FMA (that's above attitude indicator).

both courses must also be set to the same.

Bryan Richards

 

"People depend so much on automation that they forget how to get the automation to work." B.W.

  • Author

I think the "problem" is solved and I'm grateful to you all for trying to help.

 

Regards............Cliff

Cliff Harris

I think the "problem" is solved and I'm grateful to you all for trying to help.

 

Regards............Cliff

Could you please tell us what solved the "problem" - otherwise the next user with the same "problem" has still no answer....

Regards,
Chris Volle

i7700k @ 4,7, 32gb ram, Win10, MSI GTX1070.

  • Author

Mea culpa.....it was my fault entirely as I'd entered the wrong ILS frequency for the destination airport. As simple as that...

 

I'm so sorry for wasting your time.

 

Cliff

Cliff Harris

Mea culpa.....it was my fault entirely as I'd entered the wrong ILS frequency for the destination airport. As simple as that...

 

I'm so sorry for wasting your time.

 

Cliff

You haven't - happens to all of us, good to know you got it sorted out! Have fun.

Regards,
Chris Volle

i7700k @ 4,7, 32gb ram, Win10, MSI GTX1070.

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