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AllanK

Auto pilot - altitude

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I have just bought this plane and am running it on P3D V5. I have spent a lot of time watching the training video and documenting the procedures.

I have not yet figured out the altitude control. I have set the digital altitude display to 4000. After takeoff  I enable HDG and then arm ALT SEL. The plane does not level out at 4000 and continues to climb.

Any suggestion on the correct procedure for the AP to work with the altitude setting would be appreciated,

Allan - newby

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Posted (edited)
39 minutes ago, AllanK said:

I have just bought this plane and am running it on P3D V5. I have spent a lot of time watching the training video and documenting the procedures.

I have not yet figured out the altitude control. I have set the digital altitude display to 4000. After takeoff  I enable HDG and then arm ALT SEL. The plane does not level out at 4000 and continues to climb.

Any suggestion on the correct procedure for the AP to work with the altitude setting would be appreciated,

Allan - newby

After arming ALT SEL, you should turn on SPD or V/S. And of course, the AP must be turned on with the ENG button. The AP SPD function will try to maintain the indicated airspeed (Knots) the a/c is climbing (or descending) at, the AP V/S function will try to maintain the vertical speed (ft/min) the a/c is climbing (or descending) at. It is usually best to climb using SPD, and descend using V/S, because if you climb in V/S there is the danger the a/c may stall if it has to pitch up to much in an attempt to maintain the vertical speed.  Note it is very important that before you engage SPD or V/S you have trimmed the a/c so it 'almost' flies hands-off. If the a/c is not in trim when you engage SPD or V/S, the a/c will pitch up and down as it "hunts" for the correct trim setting.

Al

Edited by ark

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Thank you - I now have successfully taken off, navigated and landed for the first time.😊

This is a fun plane to fly - a lot more hands-on than other jets I have tried.

Allan

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8 hours ago, AllanK said:

Thank you - I now have successfully taken off, navigated and landed for the first time.😊

This is a fun plane to fly - a lot more hands-on than other jets I have tried.

Allan

🙂

Al

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