dlrk Posted January 10, 2022 Report Share Posted January 10, 2022 (edited) Is it possible to automatically enable VNAV speeds in the climb? The FMS seems to require clicking RESUME VNAV SPEEDs, even if VNAV was armed for takeoff Edited January 10, 2022 by amyinorbit Quote Link to comment Share on other sites More sharing options...
Graeme_77 Posted January 10, 2022 Report Share Posted January 10, 2022 No, this is not something the Challenger can do. When you think "VNAV", the V is for Vertical - it controls altitudes first and foremost. Simmers tend to confuse VNAV with speed control. VNAV is about complying with climb constraints, flying the descent from cruise and ensuring any descent constraints are met. The speed control can be given to the VNAV system as you've found, but this is not really the primary purpose in the system, and it's easier just to control speed using the ATS or FLC. Vnav climb in Mach FLC (i.e. VFLC in mach) is prohibited by the Airplane Flight Manual, so using VNAV for the whole climb is not legally possible. For the Challenger simulation, all you need is 200kts max until clean and the after takeoff checklist complete, then 250 kts, then M0.75 and it will do everything you want while you're learning it. You can then refine how you handle the aircraft as you gain experience. 3 Quote Link to comment Share on other sites More sharing options...
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