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Take Command! Hot Start Challenger 650 v1.5.2 Update Released!


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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


  • 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”



  • 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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