Hey guys this is driving me crazy have searched around the forums and the web to no avail so I decided to register and post.

Problem is I can't seem to be able to use the heading and nav functions on the autopilot.

The irs are alignes and switched to NAV and the Initial Position as well as the flight plan loaded on the Inertials.

When I right click the knob it does show the message "HEADING SEL" bye the side of the artificial horizon but that's it the plane won't move by itself and the aileron controls are free to move manually.

What am I missing? Any ideas?

Thanks!

Take a look at and DO the 757-200 FMC Tutorial a few times. The 757 FMC is identical to the 767 FMC, so the instructions for the flight will be very similar. See how you go doing that. If you still have problems. Feel free to ask.