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Learjet 35A 2024 V0.1.7
January-???-2026
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Updates:
1. Updated the included Hardware Bindings guide — it is now provided as an easy-to-read HTML file in the zip (replacing the old TXT/XML). Just right-click the HTML file and open it in your favorite browser for a much cleaner, more readable layout. Marketplace users: since the Marketplace package does not include the zip, you can download the PC/Xbox zip from our main product page here: https://flysimware.com/website2019/learjet-35a-msfs2024/

Bugs:
1. Fixed radar switch not fully powering down the radar system due to the switch being tied to an incorrect electrical bus.
2. Fixed inner, middle, and outer marker indicator lights on the panel all being incorrectly tied to the outer marker only.
3. Fixed an issue where the right taxi/landing light could remain stuck on under certain conditions.
4. Fixed an issue where pulling the left or right landing/taxi circuit breaker did not fully remove power from both the taxi and landing lights on that side.
5. Fixed EFB Utilities page cabin door Open/Close button blue highlighting not reflecting the actual door state (now only highlights at fully open or fully closed).
6. Fixed pre-flight character collision allowing the user to walk through the wings, tip tanks, fuselage, and tail surfaces.

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Learjet 35A 2024 V0.1.6
January-5-2026
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Updates:
1. Improved annunciator/bulb lighting realism (darker in day, brighter at night; includes fuel panel bulbs).
2. Fixed pilot default camera zoom.
3. Fixed co-pilot camera position.
4. Added L/R GEN RESET button support to reset generator failures.

Bugs:
1. Fixed left and right stall test.
2. Fixed interior window rain direction (interior only) so it now streaks the correct way.
3. Fixed an issue where several exterior light failures were incorrectly defaulting to a 10-hour MTBF (causing premature failures). Nav, Beacon, Strobe, and Recognition lights now correctly default to 2,000 hours MTBF. You can still adjust MTBF hours at any time, and clicking the MTBF value will reset it back to the default.

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Learjet 35A 2024 V0.1.5
January-2-2026
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Bugs:
1. Stall Warning Annunciator Logic Fixed (Left/Right Stall): Corrected the stall warning “reminder” annunciator behavior to match the real aircraft. The annunciators are only powered when the MAIN batteries are ON. With MAIN batteries ON, each stall warning annunciator will illuminate when its corresponding stall warning switch is OFF, and will extinguish when that switch is turned ON. With MAIN batteries OFF, the annunciators remain OFF regardless of switch position. The emergency/backup battery is not included in this logic. Note: The stall warning switches are powered from the hot battery bus—leaving either stall warning switch ON while the MAIN batteries are OFF can drain the batteries over time.


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Learjet 35A 2024 V0.1.4
January-1-2026
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New Features:
1. Utilities Page Expanded (formerly Equipment): The Equipment page has been renamed to Utilities and now includes several new utility controls:
   - Cabin Door
   - Shades
   - Cabin Light
   - Luggage Light
   - Doorstep Light
   - Ground Power Unit (still included)

Updates:
1. Exterior oil-canning update (MSFS 2024): The exterior skin oil-canning effect was visually too strong in MSFS 2024, so it has been reduced to almost nothing for now (effectively removed). We’ll revisit and fine-tune the oil-canning with our upcoming spring texture update.


Bugs:
1. Interior environmental bleed fixed (fog/mist no longer clips into the cockpit/cabin near the floor).
2. Stall warning annunciator logic fixed (Left/Right Stall): These lights are powered from the hot battery bus, so they now behave like the real aircraft “reminder” system. If the main batteries are OFF and the stall warning switches are left ON, the annunciators will illuminate to warn they were left on (preventing unintended battery drain). If any main battery is turned ON while the stall warning switches are OFF, the annunciators will illuminate to alert that the stall warning system is OFF and needs to be enabled. When the main batteries are ON and the stall warning switches are ON, the annunciators remain OFF, indicating normal operation. The emergency/backup battery is not included in this logic.
3. GNS 430 display fit fixed (the screen/page now fits correctly on the LCD).
4. GNS 530 / 430 knob & audio control fixes:
   - Fixed knob animations affecting the opposite unit (some 530/430 knobs were animating each other).
   - Corrected the 430 audio/volume knobs: removed the incorrect COM 1/COM 2 assignment and moved them to the proper COM 2/NAV 2 mapping.
5. Engine hours logic fixed (save-state compatibility): Engine hours will no longer start accumulating while the aircraft is on the ground. The timer now begins only when the squat switch indicates the aircraft is off the ground (weight off wheels), matching the real aircraft’s squat-switch circuit behavior.
6. Backup attitude indicator pitch bar restored: During the previous emergency/backup battery lighting update (moving the altimeters and backup attitude instrument lighting to the backup battery), the backup attitude indicator pitch bar was accidentally broken and became completely invisible in-sim. This has now been fixed.

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Learjet 35A 2024 V0.1.3
December-29-2025
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New Features:
1. Improved Pre-Flight Entry and Exit Flow (Door Stays Open): When entering the aircraft from Pre-Flight (character mode) into the cockpit, and when exiting back out to Pre-Flight, the main door will now remain open for a more realistic walk-in and walk-out experience. This allows you to step inside with the door open, turn on the cabin lights immediately (powered by the hot battery, so you have light even before turning the aircraft battery ON), and then proceed to the cockpit naturally. For quick access back to the pilot seat, we recommend setting up a custom camera shortcut to your preferred pilot view, or using the default pilot-seat shortcut already available in the widget.
2. Custom Save State System (Temporary Replacement for the Built-In Save State): We have implemented our own custom Save State system to ensure aircraft settings reliably persist between sessions. The built-in MSFS 2024 Save State behavior is currently inconsistent (it could appear to work when reloading a flight within the same sim session, but would often fail to restore settings after fully exiting and restarting the simulator). Until Asobo resolves the underlying Save State issues, our custom system will handle saving and restoring the aircraft’s supported saved values, so you should see consistent behavior when leaving a flight, returning to Pre-Flight, and fully restarting MSFS 2024.

Updates:
1. Cold and Dark (Apron) Save State Expansion: landing/taxi light switch positions are now saved and restored when starting on the Apron (Cold and Dark). For runway/taxi/takeoff/approach and other “ready-to-go” scenarios, those flight files will continue to force their intended switch states so Save State will not interfere. We will be expanding Apron Save State support further over upcoming updates to cover more of the cockpit.
2. The cabin temperature gauge switch was added to save state.
3. Updated annunciator bulb visuals (Air Ignition, Starter, Gear Unsafe, Gear Down & Locked, Brake, Anti-Skid): bulbs are now darker when OFF, and significantly brighter when ON, tuned for good visibility in both daytime and nighttime.
4. Pilot and co-pilot digital alerter LCDs are now powered by Standby/Backup power (both Standby and Emergency positions) as well as their dedicated Right Nav Computer circuit.
5. EFB Fuel Computer: output/results area has been made larger and clearer for easier readability.
6. Avionics lighting integration: TDS GTNxi 750/650 units, PMS GTN 750/650, GNS 530/430, and the transponder bezel backlighting are now all tied to avionics power (backlighting will only illuminate when avionics are powered).
7. Working Title GNS 530 update for MSFS 2024 compatibility: updated to the MSFS 2024 version to ensure proper integration and prevent compatibility issues that can occur when using older 2020-era avionics packages. This also enables newer MSFS 2024 avionics features and improvements that were not available in the 2020 version.
8. Windshields and windows updated for MSFS 2024: bug (insect) splatter effects added/updated, and rain effects corrected/updated for the MSFS 2024 windshield rain system.
9. Exterior rain/wet effects enabled across the airframe using ClearCoat materials (airframe surfaces now properly receive rain/wet effects in MSFS 2024).
10. Custom fuel truck updated for MSFS 2024: our custom SimObject fuel truck now also supports icing effects.
11. Pilot and co-pilot altimeters updated for backup power: both altimeters (including backlighting) are now powered by the main batteries and will remain operational on backup battery power when using Standby or Emergency electrical positions.

Bugs:
1. Door sound effects have been corrected: door opening/closing and latch sounds are now working properly.
2. TDS GTN 650 bezel backlighting has been corrected (it no longer remains lit with the aircraft unpowered).
3. Fuel hose visibility bug corrected: a fuel hose could be seen when viewing the aircraft from very far external camera distances; this has now been fixed.
4. Battery electrical hum bug corrected: the battery hum audio could remain playing even when all electrical power was OFF; this has now been fixed.
Bugs:
5. Fixed: Landing gear hydraulic hoses were not animating correctly in MSFS 2024. The hose/bone animation has now been converted to standard keyframed animation to ensure reliable playback in MSFS 2024 (the prior IK helper-driven setup could fail due to changes in MSFS 2024 animation handling).

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Learjet 35A 2024 V0.1.2
December-23-2025
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New Features:
1. Added a new digitally-modeled cabin air temperature gauge (new 3D instrument) for improved cockpit realism.

Updates:
1. Aircraft temperature simulation is now fully implemented (cabin/air temperature logic completed to drive accurate temperature behavior and indications).
2. Turbine temperature gauges (ITT) now include a small per-engine random offset again, so the engines no longer read perfectly identical temps. This feature was previously disabled after an Asobo update caused it to stop working, and it has now been re-enabled.
3. Wing + stab anti-ice temperature indication updated for improved realism (separate needle behavior/response so they don’t track as perfectly matched).
4. Windshield heat switch tooltip updated to display the current valve position (percent) when tooltips are enabled.

Bugs:
1. Fixed pilot + co-pilot heading card stepping/jumping during turns by adjusting the animation lag values.
2. Fixed missing autopilot and yaw damper sound effects (now plays correctly when engaged).
3. Fixed nav light bulbs remaining illuminated with no electrical power.
4. Fixed pilot seating position in the cockpit (raised and adjusted posture so the feet and body align correctly with the cockpit).
5. Updated both pilot and co-pilot circuit breaker animations (previously some breakers were not animating). Note: SPARE breakers and the left/right AUX BUS breakers are intentionally non-animated (marked inop / unused).

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Learjet 35A 2024 V0.1.1 
Decemeber-20-2025
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Updates:
1. Replaced the entire Pressurization system as the default Asobo Modern Pneumatics needs to be better designed. The cabin temperature gauge on the center pedestal will be INOP as we now need to write our own logic.

Bugs:
1. All de-ice system are fully working. 

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