The IFD is providing all of the deviation data to the Aspen via ARINC 429 (digital) and the Aspen then sends that digital data to the ACU, which processes the information and outputs the analog equivalent to the autopilot. The way the Aspen does this is dependent upon what mode is selected on the Aspen. For insta…
APPROACH PROCEDURES Ensure the approach has been entered into the FMS flight plan, and that it is currently active in the IFD. An approach can be selected and flown as a full published procedure or as a Vectors-to-Final – the choice is made on the Transitions dropdown menu in the FMS. When an approach is selected …