Development Update 06/07/2025
Major FMS progress and full 3D cockpit integration bring the flight deck to life.

We're thrilled to be back with another substantial update on our 737 MAX development journey! As we push deeper into systems integration and cockpit refinement, the aircraft is truly coming alive. We have been working tirelessly across multiple disciplines - from advanced FMS functionality to intricate lighting systems - and today, we're excited to share some remarkable milestones that demonstrate just how far we've come.

Airfoillabs Team
Major FMS Development Progress
We have achieved a significant breakthrough: we've completed approximately 75% of the functionality required for MCDU preflight procedures! This represents countless coding, testing, and refinement hours to ensure every aspect meets the highest standards.
Performance Pages & Behind-the-Scenes Magic
The newly implemented performance pages you see on the MCDU are merely the tip of the iceberg. Beneath the surface, we have built a sophisticated framework of:
Complex performance table calculations and interpolations
Advanced internal logic systems
Seamless integration with our vertical navigation architecture (currently in stealth mode but progressing rapidly!)
Full 3D Cockpit Integration
We've achieved a significant milestone by fully connecting our internal FMS logic to the 3D cockpit environment. This isn't just about making things look pretty - it's about creating a living, breathing flight deck where every interaction feels authentic.
What This Means:
Every button press triggers proper animations with realistic travel and feedback
Complete integration with test light sequences across all panels
Pedestal panel lighting responds dynamically to dimmer controls
Each switch, button, and knob now behaves exactly as pilots expect

2D Panel Graphics Excellence
We have been obsessing over every pixel to deliver ultra-high-fidelity 2D panels for EFIS and MCDU displays. This isn't just about resolution - it's about authenticity at every level.
Custom Font Design
We've gone to extraordinary lengths, including:
Creating custom fonts from scratch to match real-world displays perfectly
Ensuring pixel-perfect rendering at all zoom levels
Seamless integration with our FMS performance development
Direct connection to vertical navigation and the autopilot systems we're now beginning to implement

IRS System Development
The Inertial Reference System is taking shape! Our systems team has been hard at work implementing this critical navigation component:
Full 2D display integration with our custom-designed fonts
Proper integration with the 3D model representation

Electrical Display and Metering Panel
We've completed the implementation of the Electrical Display and Metering Panel with meticulous attention to detail:
Custom fonts specifically designed for electrical readouts
Full functional implementation in the 3D model
Electrical systems logic is currently in active development
Animations, Lighting & Audio Integration
Control Column Features
Our animation team has delivered something special with the control column system:
Partial hiding functionality (sliding down) for improved visibility
Full hiding capability when needed
Individual yoke button animations, including checklist plate movement
Smooth, realistic motion that enhances the flying experience
Watch the control column animations
Seat Integration Complete
We've finalized the pilot and co-pilot seat systems:
Perfect placement with corrected UV mapping
Fully integrated adjustment animations, including hand rests
Ready for that ideal cockpit view
Watch the seat integration preview
Pedestal / Control Stand / FWD Electrical Panel Illumination
We've fully integrated the backlit system for these critical panels using X-Plane's new texture lighting model:
Dynamic brightness response to ambient conditions
Proper electrical bus integration
Stunning visual fidelity in all lighting conditions
Watch the panel illumination preview
Audio Panel Integration
All three audio panels are now fully operational:
Complete animation sequences for every switch and knob
Integrated lighting systems
Full connection to test light sequences
Authentic behavior in X-Plane
Overhead Panel Annunciators
The overhead panels have received comprehensive attention:
All annunciators now feature proper push-to-test functionality and correct lighting
BRT/DIM mode integrated
Lit texture corrections
Complete animation integration
Test mode sequences are fully implemented
Watch the annunciator test preview
Backlit Integration for Overhead Panels
Both the Aft and Forward Overhead Panels now feature:
Full backlit system integration using X-Plane's latest lighting technology
Proper electrical power source connections
Stunning visual quality in low-light conditions
Looking Ahead: The Next Phase
As we celebrate these achievements, we are already deep into the next wave of critical systems:
FMS Vertical Navigation: Building on our lateral nav success
IRS System: Finishing functionality and failure modes
Electrical System: Comprehensive bus logic and load management
Full Internal Cockpit Lighting: Every light, every circuit
Autopilot Integration: The brain of modern aviation
Rudder Animation: Complex mechanical modeling and adjustment
Full Control Stand Animations: Every lever, every detent
Flight Model Tuning: Pursuing perfection in the air
And much more!
We continue to be amazed by your support and enthusiasm. Every piece of feedback helps us refine and perfect this simulation. Thank you for being part of this incredible journey as we bring the 737 MAX to life in ways never before seen in X-Plane!
Clear skies,
Juraj, Airfoillabs
AFL 737 MAX is an independently developed add-on for X-Plane, not affiliated with or endorsed by any aircraft manufacturer. Full disclaimer


