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Eagerly awaiting some info! Love this bird.

I change Baro with sim/instruments/barometer_up and sim/instruments/barometer_down. CL650/DCP/1/baro_push for STD

Collin's Nav-to-Nav transfer has always been finnicky, whether it was the PL4, PL21, or PL21 Enhanced. There are many things that can trip it up. One is executing an FMS change on legs page right at the 30 NM distance from ARP. If that happens, the LOC may tune but the CDI will auto set to the inbound course. Found this out the hard on the LDA Rwy 25 into KEGE one day after ATC cleared direct to QNDRY just as we were passing the 30 NM from ARP point. The LOC tuned on both sides, and it auto set the inbound course on the right side (I was PM that leg) but on captain's side, it didn't set the inbound course correctly. When APPR was pressed passing AIGLE, which you must do on this approach because of the stepdown fixes in the intermediate segment are above the LDA GS, we found the CDI turned about 90 degrees from the inbound LDA course. Hold the DME at the wrong time, like on the ILS 6 at TEB is another trap for Nav-to-Nav transfer. Hold the DME after it has done the Nav-to-Nav transfer tuning inside the 30 NM from the ARP. Rich Boll

Hi, is it possible to deselect a previously selected SID/STAR. Once the RWY and PROC have been selected, I can change them - but not deselect/deactivate them. Only way is to delete the individual way-points in the LEGS page. Is this by design of the ProLine system, or do I miss something. TNX Xaver

The course will never appear in preset nav, that’s one of the oddities of nav-to-nav transfer (the name for FMS to ILS auto-transition), and why I recommend setting it manually if radar vectors are expected. I found this weird too, and not how I would have designed it, but it’s just how the Challenger is. When nav-to-nav transfer is able to work, you’ll see blue indications of localiser and glideslope deviation, both as blue diamonds on the deviation scales in the attitude/svs part of the PFD, as well as the CDI at the bottom with blue dashed “ghost” needles. You should have FMS1 as the nav source on the left side, and FMS2 on the right side. Make sure baro settings are sync’d too. Press the approach mode on the autopilot and you should see white LOC1 and GS indications on the FMA strip at the top of the PFD. Even then, it will hang onto FMS nav for as long as it can, until nearly established on the final approach track, then it will swap to LOC navigation. If you’re not on the glideslope, you may need to adjust VS or pitch to capture the glide properly. Normal pilots rules apply : if it’s not doing what you expect, don’t just sit there, make it do it! Change nav source manually and fly the ILS. This is why, personally, I always set the course on preset nav as part of approach preparation. Hope that makes sense.