https://forums.x-plane.org/forums/topic/339274-airfoillabs-king-air-350-xp12-back-in-active-development-v200-v201/

Funnily enough, I was thinking of buying this the other day as I like their products (C172 is my favourite). Good to know it's being updated

Got update havt taken it up yet.

Just had a brief flight, went well. Just had a 2.01 update with 2.,02 in the works for this week coming. Need to re read that manual

Looking fwd for some videos.

 

Has always been a fantastically satisfying addon. 

Just downloaded the update and will give it a go sometime this weekend. 

Regular user of this one for a long time, a very good rendition of the King Air. Nice to see the continuous improvement cycle and updates - not that I really noticed the issues they refer to as having been updated. Nice textures, high level functionality and typical King Air. It nicely replaced my previous go to King Air the Carenado BE200 (P3D etc) in XP12. The update popped up with a recent start of the sim so automated update install and fixed! Having flown the King Air for real once upon a time - this one is very accurate indeed - just like a day in the office sometimes!

Yep, much nicer, just need to update my checklist. Have asked fir the view menu to have a hide option as it messes with xcamera and its clunky, showing its age. Be nice to have side menu on tablet, but that may be a big job 

Edited November 23, 2025Nov 23 by mjrhealth

Took it on a short flight. 
just heading & alt hold for AP - those held steady and functioned as expected.

captured Loc for ILS just fine, and I hand flew it down GS. 

New interior textures look good. Exterior also good - if anything, might be too “Liquid Metal” looking. 

During the flight, using pop out panels, and other features, I remembered why I REALLY like this addon

all in all, a great flight that encourages me to give it a proper shakedown. 

P.s.: I’ve begun editing my Black Friday shopping list, and TBH, this new update for one of my favorite “serious simmer” aircraft just made the list a LOT shorter. 😎
 

Escellent (pro!) example flight with RNP approach:

 

 

Did they incorporated the new XP 12.3 weather radar? 

37 minutes ago, Sims Smith said:

Did they incorporated the new XP 12.3 weather radar? 

Not in the current update but according to a post over on the .org, it's on their roadmap.

The flight dynamic is spot on, that was the biggest issue for me. but now, a pure joy to fly with!

Did they overcome the right rolling tendency that plagues most prop aircraft in Xp12 since mpore than 1 yr now?

Edited November 30, 2025Nov 30 by jcomm

Good news weather radar just added. Here are the change logs

Airfoillabs King Air 350 XP12 Version 2.0.2

• 🎧 Audio & comms – a complete Audio Panel logic rebuild + reorganized FMOD routing (including a new Noise Canceling Headphones option)

• 🛰️ VNAV / RNAV guidance – fixes to VNAV descent and VNAV approach indications (including reversionary modes), plus RNAV AP logic fixes for the MFD version

• 🌦️ Weather radar – native XP12 radar for the MFD version + radar fixes/functionality for the GPS version

• ⚡ Systems & handling polish – electrical/starting/generator logic improvements, lighting logic fixes, and better reverser/prop-control behavior

✨ Highlights of Version 2.0.2

Audio & Sound

• Audio Panel logic rebuilt from scratch.

• Morse Code identification bugs fixed.

• FMOD routing reorganized for cleaner sound behavior.

• Added Noise Canceling Headphones feature with a corresponding menu icon.

VNAV / RNAV Guidance

• VNAV descent profile now displays correctly after Top of Descent (TOD).

• VNAV Approach now displays correctly on all screens, including reversionary modes.

• RNAV approach autopilot logic fixed for the “MFD” version.

Weather Radar

• Weather Radar (MFD): Implemented native X‑Plane 12 Weather Radar for the “MFD” version.

• Weather Radar (GPS): Implemented radar fixes and functionality for the “GPS” version.

Systems & Logic

• Electrical: Fixed Battery Voltage bug/failure issue.

• Engine starting: Fixed starting logic; idle thrust now accounts for Generator loads to prevent engine stalls.

• Generators: Fixed state logic to prevent instrument self-tests from initializing multiple times.

• Autofeather: Annunciator light now extinguishes correctly if the Landing Gear is up and the Autofeather switch is OFF.

Visuals & Lighting

• Left Strobe Light: Fixed directionality.

• Instrument light switch logic corrected.

• Visual Options: Added menu options to Show/Hide Instrument Glass and Show/Hide Windshield Dirt.

Controls / Reverser

• Throttle/Reverser: Fixed Reverser logic and implemented custom Prop Control to improve Reverser Thrust behavior.

Full 2.0.2 Changelog (as it will appear in the manuals/store)

• Left Strobe Light: Fixed directionality.

• RNAV: Fixed approach autopilot logic for the "MFD" version.

• VNAV: Descent profile now displays correctly after Top of Descent (TOD).

• VNAV Approach: Now displays correctly on all screens, including reversionary modes.

• Autofeather: Annunciator light now extinguishes correctly if the Landing Gear is up and the Autofeather switch is OFF.

• Visual Options: Added menu options to Show/Hide Instrument Glass and Show/Hide Windshield Dirt.

• Audio Panel: Logic completely rebuilt from scratch.

• Electrical: Fixed Battery Voltage bug/failure issue.

• Configs: Updated configuration files to support the new Audio Panel logic.

• Configs: Landing gear and throttle settings are now automatically overridden when the aircraft is loaded on the ground.

• FMOD: Sound routing reorganized.

• FMOD: Added Noise Canceling Headphones feature with a corresponding icon in the menu.

• Audio Panel: Fixed Morse Code identification bugs.

• Engine Logic: Fixed starting logic; idle thrust now accounts for Generator loads to prevent engine stalls.

• Weather Radar (MFD): Implemented native X-Plane 12 Weather Radar for the "MFD" version.

• Weather Radar (GPS): Implemented radar fixes and functionality for the "GPS" version.

• Generators: Fixed state logic to prevent instrument self-tests from initializing multiple times.

• Lighting: Corrected Instrument Light switch logic.

• Throttle/Reverser: Fixed Reverser logic and implemented custom Prop Control to improve Reverser Thrust behavior.

• Settings: Fixed general settings error.

Hi King Air 350 pilots,

after a longer pause, we’re happy to say it clearly: we’re back on the King Air 350 XP12 and v2.0.0 is now ready for you. 🎉

This update focuses on three main areas:

• 🖥️ Sharper cockpit & interior visuals

• 🧭 Much smoother autopilot + RNAV vertical guidance

• ⚡ More correct electrical / avionics behavior & engine handling

…and it’s the first step of a renewed, more regular update cycle for the KA350 going forward.

Thanks a lot to everyone who kept flying her, reported bugs, and pushed us to come back to it properly.

OLDER Change LOGS

 

✨ Highlights of Version 2.0.0

Visual & 3D

• Reworked interior textures and materials for a higher-resolution, cleaner cockpit look.

• Integrated X-Plane 12 detail textures for more believable surfaces.

• Fixed normals, object placements and animations for better shading and more natural movement.

Autopilot & Navigation

• Fixed roll oscillation / bank hunting in HDG and NAV modes – the AP now holds heading and lateral paths much more steadily.

• Improved pitch and roll stability overall for a calmer, more predictable ride.

• Fixed RNAV approach glidepath capture – the aircraft now correctly captures and flies RNAV vertical guidance in FMS mode.

• Corrected FMS/GPS vertical guidance logic across the route/approach.

• Fixed unwanted autothrottle activation on landing in the default FMS variant (no more surprise throttle grab on rollout).

Electrical & Avionics Logic

• Correct gen-bus behavior – buses stay powered appropriately with engines off (e.g. in a glide).

• Fixed external GPU behavior so it actually powers the aircraft and prevents unnecessary battery drain.

• Reworked Battery Fail / Fix / Consequences logic for more realistic outcomes.

• Fixed DME power logic – DME is now tied to the correct avionics bus and works as expected from Cold & Dark.

• Fixed transponder ALT mode output – correct Mode C squawk when in ALT.

Handling & Engines

• Fixed incorrect yaw on takeoff roll – no more “wrong-way” tendency; behavior is tuned toward the expected rudder input.

• Corrected gust lock activation/deactivation and conditions (e.g. cannot be activated in flight).

• Updated engine starter torque / RPM / time from 0 to IDLE based on real aircraft data for a more believable start sequence.

 

📋 Full 2.0.0 Changelog (as it will appear in the manuals/store)

3D / Visuals

• 3D – Reworked interior textures and materials for higher resolution.

• 3D – X-Plane detail textures implemented.

• 3D – Fixed normals.

• 3D – Fixed object placements and animations.

NAV / Autopilot

• NAV – Autopilot roll oscillation in HDG/NAV modes (stopped constant bank hunting).

• NAV – Fixed autopilot not stable enough in pitch.

• NAV – Fixed autopilot not stable enough in roll.

• NAV – Fixed RNAV approach glidepath capture (autopilot sometimes failed to descend on RNAV approaches in FMS mode).

• NAV – FMS/GPS vertical guidance route/approach fixed.

• NAV – Fixed unwanted autothrottle activation on landing (throttles taken over in default FMS variant).

Electrical / Avionics

• Electrical – Correct gen-bus logic: buses remain powered appropriately with engines off (glide).

• Electrical – Fixed external GPU not providing power (no more battery drain with GPU connected).

• Electrical – Battery fail / fix / consequences logic corrected.

• Electrical – Fixed DME power logic – DME now tied to correct avionics bus.

Other Systems & Handling

• Gust Lock – Activation / deactivation / conditions fixed (can’t be activated during flight).

• DME – Fixed inoperative DME on Cold & Dark start (GPS variant) – DME now displays distance/ID when started from Cold & Dark or Before Start states.

• Transponder – Fixed ALT mode output – correct Mode C when knob in ALT.

• Takeoff Roll – Fixed incorrect yaw on takeoff roll (no more “pull to the wrong side”).

• Engines – Starter torque / RPM / 0 to IDLE time fixed based on real aircraft behavior