Flight Sim Labs, Product Updates Now Available

Following the product update roadmap posted just last week, Flight Sim Labs has now released a Prepar3D version 4.4 compatibility patch for the 64-bit A319-X + A320-X as well as a new general update for the 32-bit A320-X.

Please note, with respect to the Prepar3D version 4.4 compatibility patch, the update offers no other changes compared to the previous build.  However, according to the developer, “we’re full steam ahead testing the full feature update which we hope to have in your hands soon.”

The 32-bit A320-X product update is a large scale and comprehensive upgrade to the existing model.

Please see below for changelog information concerning the 32-bit A320-X for FSX and Prepar3D V3.


  • Fix for reading files with different encoding
  • Fix for files not being recognized / crash resulting
  • Minor fixes and enhancements and new file detection algorithm
  • Fix for ::1 loopback address


  • Fix for BPV demand logic
  • Ram Air Door regulation fixed

Air Conditioning / Pressurization:

  • Several fixes for air conditioning pack logic
  • Added feedback controller to pack by-pass valves for better control
  • Fixed issue with trim air valves
  • Cargo heat temp sensor logic improved


  • CFM cone / disc animation timings tweaked


  • A/SKID OFF ECAM message fix


  • ABCU 1000psi limit logic fix
  • Brake temp logic improved
  • Brake disc temperature logic tweaked
  • Brake Disc logic updates / fixes
  • Brake max deflection now relative to surface conditions


  • Autobrake MED distances / deceleration tuned


  • AoA sensitivity simulation logic improved


  • Default options revised


  • Fix for not saving Cabin Alt in Cruise
  • Fix for takeoff elevation when slewing updates
  • CAB PR LO DIFF PR logic added
  • Abort mode fix


  • MCDU OPTIONS – DMC MetricAlt option added (default OFF) for PFD
  • E/WD Fuel ECAM page fix
  • Fuel used logic fix
  • Fix for Chrono running in Paused state
  • G LOAD max 5 sec display fix
  • LVR MCT message fixes


  • Fix for HUNDRED ABOVE / MINIMUMS aurals when DH was entered and then removed

Display Units:

  • Performance / fluidity improvements


  • Door open/close on panel state load
  • Fix in slide arm logic
  • Fix for door disarm during taxi


  • Logic improvements for AUTO SHUTDOWN


  • Baro switch now maintains setting through full screen/window switch


  • Fix to prevent flight control lock ups in certain scenarios
  • Roll limits added
  • D Gain reductions with AGL logic added
  • Manual pitch fix
  • Added damping to ELAC roll channels to reduce aileron flutter
  • Alternate & direct law logic tuning for green & yellow hyd loss (THS frozen)
  • Fix for bank > 33 and overspeed roll
  • Flare law elevator transition fixes


  • Tweaked EXT PWR load bearing significance to frequency / voltage dropout
  • Fix for electric diode logic
  • Fix for circular wiring logic
  • Possible crash bug identified and fixed


  • Thrust lever controls live engine only when single engine ops on ground
  • Optimizations in Jet Engine class
  • Fix for engine fans stopping suddenly when engine start selected
  • EIU FADEC timer logic fixed
  • Crank logic improvements / bug fixes
  • Logic protections for total electrics loss on ground
  • CFM spool rate increased


  • Subsystem healthy/inop status logic improvements
  • Rudder trim wiring fix for FAC2
  • Rudder trim indication change to dashes when both FACs faulty
  • SD FCTL page trim and limiter indication logic improved
  • SD FCTL page Rudder Trim amber crosses no longer displayed with single FAC off
  • Reactive windshear fix for dual FAC detection
  • Rudder pedal tuning for improved ground handling


  • Thrust rating on ground with ATHR active logic improved


  • Added “STUCK OUTFLOW VALVE” failure


  • Fix for FCU 100/1000 switch initializations
  • Dual Failure now sets EFIS Baro to 1013/29.92
  • Fix for FCU Speed Selected
  • Alt sel knob pointer now lit
  • Baro sel knob pointer now lit
  • Fix for manual VS limit correction


  • FM:
  • Fix for NAV->HDG downgrade crash bug
  • RNP translation fixed (requires updated nav database)
  • OPT FL during CRZ CLB/CRZ DES fix
  • Pause at TOD now at 20nm before TOD
  • Lateral fix for nearly codirectional segment flaw during path minification
  • DIR TO fixes when pseudo waypoint exists between TP and TO
  • APPR PERF page fixes
  • Fix for intl date line logic bug
  • X424 updates for APT listing
  • Radial Fix Info page RETURN logic fixed
  • Crash fixes for KMIA ILS12 and associated arrival procedures
  • Issue with abnormal leg ordering fixed
  • LAT REV page available for legs prior to MAPT and ENABLE ALTN separation
  • Fixes for transient crashes dropping calculations / predictions
  • Internal memory re-pairing logic improvement (performance fix)
  • Protection against abnormal conf settings during T/O and APPR phases (predictions loss)
  • RAD IN / RAD OUT logic fixes
  • DME-only stations now tunable in RAD NAV page
  • GA Perf page logic fixes
  • TERM/SEC/ALTN PLAN ND Display corrections
  • CRZ ALT updated to PPOS ALT if DES is initiated while
  • DIR TO list not selectable if in TMPY
  • FPLN page negative distance logic improvements
  • NEXT WPT operative
  • NM/DIST FPLN page indication on SEC/TO WPT now PPOS-based if applicable
  • FLPN page: SEC ALTN now white instead of CYAN
  • ND SEC MSAP path and SEC ALTN path now white
  • Lateral path logic improvements for Nav Intcpt calcs
  • BLOCK PRED logic improvements
  • TRANS ALT/LEVEL adjustments
  • FIX INFO added
  • SEC FPLN added
  • Flightplanning analysis logic overhauled
  • Discontinuity logic improvements
  • AF logic improvements
  • AIP 3600 entry now considered as track 0
  • BLOCK PRED improvements
  • Rule updates for arrival airport procedure logic


  • Tuning for Autopilot in ALT* modes
  • Fix for LAND 3 FO and FP inhibit switches
  • Flare mode logic improvements
  • Autoland decrab fix
  • EXP CLB with full flaps spd target 0 protection
  • ATHR ihibition on ground after RTO until airborne
  • Mode reversions / armed mode fixes when SRS active
  • Path controller now uses GS instead of TAS for current FPA reference
  • FPA calculation fixes with windy conditions

FSL Configurator:

  • Policy Ignore logic fix
  • UMPolicy logic improvements
  • Liveries.cfg handling logic fixed


  • Logic improvements


  • Oil-treated runway now considered asphalt


  • APU Fuel Pump watt consumption decreased to allow proper EMER ELEC
  • Fuel leak in fuel return logic fixed
  • FRV Flow rate reverted to 300Kg/h
  • Fuel tank sun exposure area improvements
  • Fuel Temperature model overhauled. Main features:
    • Fuel Pumps affect temperature
    • IDG thermal model added
    • Sun power and shade logic added


  • Fix for MAST WARN / MAST CAUT split light conditions
  • WING A.ICE SYS FAULT action color corrected
  • CKPT CTL ONLY logic tweak
  • Galley fan spurious error condition fixed
  • Fuel HI TEMP logicsheet fix
  • EMER CANC button logic fix
  • RCL button logic fix
  • Various logicsheet fixes
  • DB loading improvements
  • Rx side logic fixes


  • ARINC SSM settings fix

HTTP Server:

  • Support for SSL added

Input controls:

  • Rudder trim key event support added

Keyboard selection:

  • Crash bug with entering new keys if FSX not installed fixed


  • Fix for internal overhead lights turning on from C&D with knob at OFF position
  • Wing lights: Conflict causing flickers fixed
  • Beacon lights: Potential fix for red glow on engine nacelles


  • PERF APPR page: Extended QNH Range (inHg) corrected
  • TO SHIFT added


  • Fix for duplicates in terminal NDBs


  • TOWpt distance update logic improved
  • Wind direction symbol logic fix
  • Estimated Vertical Intercept along FPLN path drawn
  • Terrain radar loss fix
  • Compass smoothing
  • TRU reference fix

Oil Temp:

  • Several logic fixes


  • GND CTRL switch logic fix


  • ATHR Blue on T/O fix (redraw issue)
  • Slip / beta transition smoothing
  • Heading smoothing
  • TRU reference fix
  • FPV fix for FCU 1+2 FAULT

Panel States:

  • Center tank fuel logic improved
  • Fix for states not loading correctly & various config changes
  • Fuel loaded on panel state load
  • ADIRUs save logic fixed
  • FCU Alt Knob save logic fixed
  • DU Knobs save logic fixed
  • DU Dimmers default to ON
  • Logic added to provide four starting point states:
    • COLD & DARK
    • ON GPU
    • ON CPU
      as well as capability to save user-desired states for startup


  • Corrected issue which caused nose-high attitude


  • fix for value sometimes incorrect on landing


  • COM Radios tune to 122.8 / 118.1 by default now

Rudder Trim key handler logic fix

Runways logic crash fix


  • Roll spoilers on yellow logic fix
  • Roll spoiler sync logic improvements
  • Ground spoiler retraction time corrected


  • DB loading improvements


  • Slats half speed logic fix
  • Flap angles fixed for max A320 CFM angle display


  • Fix for LLA freeze logic when loading saved panel state

Solar library:

  • Sun elevation calculation improvements


  • Possible fix for engine start buzz saw sound
  • Fix for Avionics inlet / outlet sounds playing briefly when ON GPU is selected
  • PTU logic fixes
  • Gear logic fixes
  • Fuel pump sounds tuned
  • APU Volume reverted
  • Fix for multiple sound device related crash
  • Fix for no audio device related crash
  • 3XS (APU GEN) contactors logic fixed
  • Packs logic fixed
  • ADIRU Mech Horn fix

Temp model:

  • Cargo temp tuning improvements
  • Duct temps in cabin tuning
  • Sun heat adjustments


  • THS change rate now 1.0deg/sec with both hyds available, 0.5deg/sec
    with single hydraulic channel


  • Disconnect button message restored

2D Transponder panel:

  • Squawk code now correctly drawn in 4K displays


  • HTTP port logic fix
  • FS Time now used for wx updates

Virtual Cockpit:

  • Various small fixes and improvements
  • Pedestal ACP click events updated
  • Split of Display Units into own textures for fluidity
  • Fixed missing shadows
  • Gap in floor on captain’s side removed
  • Fixed FCU / EFIS / ECP lights disappearing when switching from full screen to window mode and back

To review the original release announcement for both updates, see the developers Facebook page.  Alternatively, for existing customers, jump directly to the Flight Sim Labs product download service.

If you’d like to learn more about Flight Sim Labs, visit the developers website.

*Image courtesy of Flight Sim Labs.

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