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I have to laugh at this. I have worked on various industry & FAA working groups for last 18 years. We see these discrepancies flying, and now they're following me into the flight sim world! Gotta love it! Thanks for hunting this down! Again, kudos for HS CL650! Rich Boll

The ODP or SID is not intended for OEI terrain and obstacle clearance since the criteria does not consider both the actual takeoff flight path of the aircraft following an engine failure nor does the climb gradient on an ODP or SD account for all obstacles that much cleared to meet the operating rules. An ODP or SID provides obstacle clearance with all-engines-operating because that's what its criteria assumes. Make sense? With the proper obstacle information concerning obstacle height above the runway and distance from reference zero, the FMS calculator can be used to calculate OEI takeoff obstacle clearance in accordance with the operating rules. Here's an important caveat. You need the relevant terrain & obstacle data and collecting that data no small feat. There are multiple data sources that need to be consulted, which is why the airlines have performance engineering departments dedicated to that task. For the business aviation community, we have contract providers such Aircraft Performance Group, ASAP Inc., Aerodata (now owned by Garmin), and Jeppesen OpsData through ForeFlight that provide this type of engineering support, and provide takeoff performance/obstacle clearance data in the form of airport runway analysis. As real CL300/350 pilot, I would never attempt to gather the obstacle data from the various sources and use the FMS calculator, in the same way that I would never attempt collect obstacle data and build my own instrument approach procedure to a runway. The FAA is expert in building instrument flight procedures and these performance engineer providers are the experts in airplane performance and engine failure escape procedures. I was never really quite sure why the FMS manufacturers (OEMs) put the obstacle clearance routine in their FMS. It's not unique to Collins. It's in the Garmin 5000 as well. If you had one known obstacle that you wanted to clear, one that as not accounted for in your contractor-provided analysis, for example a temporary obstacle, then yes, I could see a use for it. Although in 18 years of flying Collins FMS equipped aircraft, I have never used it other than for experimentation and familiarization. Rich

Return to base usually avoided, due to the costs of the empty flight. If you fly for the owner you stay as long as the owner stays put. If you are in charter, if you are at a busy hub there might be PAX at that hub for the next flight. If you are at a smaller airport, you may well have to position to a nearby hub for the next assignment. What you can do is follow a real Challenger on Radarbox24 and simulate those flights. What I used to do was fly a particular tail, and try to fly the 30 most visited airports by that tail. Else you can follow it day to day. All data is available in Radarbox24 if the tail is not blocked. I see eg that VJT 9H-VFF is a tail livery that is available on this forum. Quick look at Radarbox24 learns the following : one gives the most visited airports, the other one some recent activity.

Depends, if it’s a single owner you go where they want. Fractional ownership might be all over the place, proper charter could certainly be pretty random. Depends what you want, might be some suitable VAs online.

It would be really nice if I could, from the XP menu, select which checklist I want, without cycling through them all. Also if the Next Checklist and Prev Checklist menu items could indicate which ones they are, that also would be helpful. Minor point, but would be nice to have. Thanks for consideration.

Hello All, This will serve as a formal forum announcement that we have released the version 1.5.2 update for the CL650. All customers who have purchased the CL650 up till now have been sent an e-mail by X-Aviation with complete instructions on how to obtain your update. We have made this a very simple process! For those that purchase the CL650 from today forward, your purchased download will already be updated to version 1.5.2 for you. What if I didn't get the update e-mail? If you did not receive your update e-mail don't fret! X-Aviation has updated our system to allow all customers to update with ease, regardless of whether you received an e-mail for the update! Here's what to do: 1. Login to your X-Aviation account here: https://www.x-aviation.com/catalog/account_history.php  2. Find your original Challenger 650 download and re-download the file. It will download as the latest version! The following is a list of additions/fixes included: What's New / Changed: New Features: 2690: Add a clickspot for inspecting wing surfaces during preflight 2708: Add support for xPilot’s SELCAL datarefs 2716: Implement FANS CPDLC support 2732: Implemented DEP CLX, OCEAN CLX and ATS LOG datalink subsystems Enhancements: 2691: Redesigned the overnight icing accumulation algorithm to use real METAR data 2688: Add support for detecting POSCON client for disabling realistic altimetry feature 2698: Implement workaround for FMod sound bug when loading the airplane with sound muted 2699: Implement dataref interface for libfail to allow 3rd party software to trigger our failures 2320: User request for dataref to indicate when in “walking mode” Bugfixes: 2683: ABEAM REF distance and time isn't working correctly 2687: V-bar FD vertical deflection & rotation stacking should be reversed so the V-bar rotates around the nose indicator 2692: Reduce landing and taxi light brightness to be a bit closer to reality 2648: KEUG I16R with EUG transition is handled incorrectly for the subsequent leg intercept off the procedure turn 2409: Shrink or hide manipulators for engine fire push buttons so they can’t be clicked by mistake 2685: Manual ENG BLEED setting isn't being cross-talked between FMCs 2693: afm_mgr has a potential deadlock due to locking inversion if a state load coincides with a state save 2694: THRUST LIMIT page 2/2 shouldn't be selectable in the air 2695: Smooth FPLN leg joins should anticipate turn radius changes due to climbs 2697: CPC PID derivative rate was still causing oscillations when reloading a climb state at higher ISA around mid-20 thousands 2487: CTD - CL650[chart_prov_navigraph.c:1086]: assertion "chartdb_add_chart(arpt, chart)" failed 2721: Receiving a ATIS datalink message should show green DATALINK advisory CAS 2730: Reduce initial engine parameter variance a bit to help avoid unusually high ITT deviations 2775: Fix radial are off by a few degrees 2776: ATS posts an FMC ERR when FMS3 is selected as active on the left side 2779: Descent altitude constraints can stick past the waypoint where they are applicable 2780: Compressor stalls should stop when the engine is shut down 2773: PFD SVS rendering distance too short 2768: Changing NAV SRC while OEI causes CTD 2784: Small amount of aileron trim causes persistent monitored AP disconnects due to servo misalignment alarm firing 2769: DCT fix in FMS followed by pressing NAV causes CTD 2767: CTD when attempting to use invalid AFCS data 2749: Hold exit followed by FPL disco. clear = CTD 2785: Newly created airframe has right hand side cabin window blinds closed 2786: Engine hydraulic SOVs were being ignored when determining engine-driven pump operation 2787: Manual date setting on STATUS page results in setting incorrect year 2789: Make tail refuel pump fatter by 1mm to avoid spurious AUX TANK HEAVY CAS messages 2791: PBPB waypoint entry when first WPT SEL has 1 option and second WPT SEL has more than 1, empty WPT SEL shows instead 2792: PBPB waypoint checker should be using the passed selection lookup type, instead of defaulting to database-only 2793: WPT SEL screen should return to the caller's subpage 2777: Fix page missing Lat/Lon Cross small text 2795: FLT LOG fuel used needs to allow entering DELETE to reset the value 2796: TERM WX should allow for non-ICAO station IDs 2794: Add a checklist menu item to manually stop the FO's go-around flow 2797: is_valid_icao_code should allow for numbers in IDs 2798: Invalid ICAO code in FPLN RECALL page isn't generating an INVALID ENTRY error Enjoy these latest updates, and stay tuned to the forum as we continually announce the latest happenings.

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