FlightFX HJet HA-420 Released for MSFS 2024
FlightFX has released the HJet HA-420 for MSFS 2024, bringing Marwan Gharib’s popular microjet into the new sim, also with a broad rebuild.

According to FlightFX, the MSFS 2024 edition focuses on bigger changes under the hood, including a rebuilt flight model, updated ground handling and suspension physics, and an avionics backend moved to the Working Title V2 framework, with a custom Vertical Situation Display (VSD) to match.



On the visuals side, the package utilises MSFS 2024-native materials and shaders, a remodelled cockpit, and a refreshed cabin with interactive elements, smart glass-style window shades, and the now-not-so-secret cabin companion, Rufus. Audio has also been redone, with FlightFX listing a new soundscape by Echo 19, alongside updated engine, ground roll, and cockpit ambience work.


FlightFX is also shipping the HJet with its VAMS 2.0 EFB, including Navigraph integration, SimBrief-supported weight and balance tools, and additional utilities, plus native support for MSFS 2024 walk-around interactions.


The developer also highlights compatibility with MSFS 2024 Career Mode.
Features
Flight Physics
- Rebuilt flight model
- Rebuilt ground handling
- Rebuilt suspension physics
Avionics and Systems
- Custom Vertical Situation Display (VSD) with terrain elevation display (track or flight plan based)
- Avionics backend updated to Working Title V2 framework
- Improved autopilot automation logic
- Enforced G limits across all pitch modes
- Smoother mode transitions and captures
- Rebuilt autothrottle focused on smoothness and anticipation
- Enhanced FLC mode with coordinated autothrottle and autopilot interaction
- Updated built-in Navigraph Charts plugin for Microsoft Flight Simulator 2024 compatibility
- Electrical system with dynamic load shedding and bus separation logic
- Automatic fuel balancing with real-world tank switching sequences
- Fully simulated automated hydraulic system
- Custom environmental system using thermodynamic modeling for valve control, fan speeds, and temperature regulation
- Automatic anti-ice system with visual icing feedback in AUTO mode
- Deployable oxygen masks
- Fire detection and suppression with a functional fire panel, audio warnings, and integrated CAS messages
- Custom Crew Alerting System (CAS) with 130+ AFM-based messages
- Built-in interactive checklists
- Smart exterior lighting system that automatically responds to aircraft state
Visual Modeling
- Native Microsoft Flight Simulator 2024 materials and shaders
- Modular model structure with optimized LODs
- Complete cockpit remodel with enhanced detail and clarity
- G3000 displays
- GTCs
- Paneling
- Seats
- Brand new interior cabin
- New lighting
- New seats
- New decorative pillows
- New tables
- New carpeting
- Improved exterior details and decals
- Native passenger avatars integrated with VAMS EFB weight and balance
- Interactive cabin elements
- Sun visors
- Lavatory doors
- Ambient lighting
- Smart glass window shades
- Cabin tables
- Rufus!
Audio
- New soundscape by Echo 19
- New engine sounds
- New ground roll sounds
- Improved interaction and control of sounds
- Improved cockpit ambience
- Other small improvements
Electronic Flight Bag (VAMS 2.0)
- New VAMS 2.0 EFB interface
- Adjustable tablet position and rotation
- Navigraph charts integration
- OpenStreetMap support
- Weight and balance with SimBrief by Navigraph integration
- Sim rate display
- Ground services
Miscellaneous
- Compatible with Microsoft Flight Simulator 2024 Career Mode (Private Charter)
- Microsoft Flight Simulator 2024 walk-around feature support
- Interactive covers
- Interactive chocks
- Interactive Ground Power Unit (GPU) connection
- Operable doors

FlightFX’s release post lists the HJet at $24.99 USD, with availability across the MSFS 2024 Marketplace, Contrail, the Flightsim.to Store, and Orbx Direct.
If you already own the MSFS 2020 HJet, you are entitled to a free upgrade, but the process varies with each vendor.
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