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Captains, good evening. I saw here in the forums a previous post about Concorde's peculiarities regarding AP1/AP2 versus NAV1/NAV2 and went out for some flight test today. I tried to use the AP2 coupled with NAV2 radio for some VOR tracking exercises to see the aircraft's reactions and if I could use those paired in complex dep/arr procedures. I chose a VOR convenient to my location (in this case DPK 117.70) and started some 30NM out. Aircraft is inbound to station, about 20 degrees off radial (to the left - HSI bar on the far right) and tracking a 30 degrees capture course. As soon as the bar starts moving left (10 deg before selected radial as expected), the VOR light comes on and the capture commences. However the autopilot then commands a hard right turn (25 deg bank), and stabilizes in a heading about 30 degrees to the right of the desired course and never chases the needle back, veering constantly off-course. Just for procedure checking, I did tried the same process (same positions, capture angles, ...) with AP1-NAV1 combo and succeeded every time. With AP2-NAV2, no success, heading always locks some 30 deg off to the right and that's it. Oddly enough and doing some more exploring, while veering off-course if I tune the same VOR freq to NAV1 (117.7) and move the course set knob #1, the aircraft starts to respond commands (even with AP2 still engaged). Am I missing something hidden under the hood here? Is that a normal and expected response of the autopilot system in AP2-NAV2-VOR tracking mode on the Concorde? Thanks Edit: System specs sometimes helps... P3D v18.104.22.16868, ConcX 1.39