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vgbaron

Sensitivity of Lear autopilot NAV function

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I use the GTN750 in the Lear in P3DV3 -  I notice that when I ARM the NAV function after t/o, I need to be fairly close to the course line or it won't capture. If my takeoff heading is 180 from the course, I must manually make the turn after takeoff or it will not arm. Is this by design?

 

Vic

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You have to be within 2NM of the track according to their reference manual, I see the same with the 430.

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Yep, affirmative, in fact, in some aircraft like PMDG, you can not arm LNAV  to an assigned leg(Not from present point) unkess you are within what they call:  Intercept angle...  Bet its something related as CW46 said..

 

 

May be i will learn more about it when starting my Instrument Course in january...

 

 

Happy flying...

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