AR and VR Games

Case Study for Aviation Industries : Development of Jet Bridge VR Training Simulation on Pico Headset


The Jet Bridge VR Training Simulation is an VR-application designed to provide comprehensive training for jet bridge alignment and operation across nine different aircraft types. This immersive training solution offers trainees an operator’s viewpoint, external camera angles, collaborative training sessions, and scenario-based exercises powered by AI guidance. The simulation incorporates physics-based interactions, dynamic weather effects, real-time day/night cycles, and secure cloud-based storage for user profiles and performance data. Instructors can modify scenarios in real-time and adjust training intensity, enhancing the learning experience. The simulation is compatible on Pico headset with ergonomic VR controls, improving usability and interaction.

Feature List

Jet Bridge Alignment and Operation

  • Training includes nine different aircraft types for comprehensive skill development.
  • Immersive perspective from the operator’s viewpoint with external camera angles.
  • Ensures safe operation by preventing collisions with aircraft.

Collaborative Training

  • Multiple trainees can participate in a single session.

Scenario-Based Exercises

  • Team-based tasks to simulate real-world operations with more than 60 different AI-based scenarios.

AI-Powered Guidance

  • Virtual assistant providing real-time instructions and corrections.
  • Voice commands for interactive voice guidance and hands-free operation.

Physics-Based Simulations

  • Real-world dynamics replication through physics-based interactions.

Secure Cloud-Based Storage

  • Storage for user profiles, analytics and performance data.

Instructor Controls

  • Instructors can modify scenarios and conditions in real-time.
  • Adjustable difficulty levels to tailor training intensity to trainee skill levels.

Realistic Environments and Effects

  • High-fidelity models of airport environments and jet bridges.
  • Dynamic weather effects (rain, snow, fog) affecting visibility and operation.
  • Real-time day/night cycles to simulate different times of day.
  • Ambient airport sounds reflecting a bustling airport.

Technical Challenges and Solutions

1. Implementing Physics-Based Interactions


Simulating realistic physics interactions for jet bridge operations required precise calculations and real-time processing, particularly to mimic the dynamics involved in aligning and docking with various aircraft types.


Unity’s physics engine, PhysX, was utilized to handle the complex physics interactions. Custom scripts were written to simulate the weight, movement, and collisions accurately. IK (Inverse Kinematics) was used to articulate the jet bridge’s parts, ensuring realistic movement and positioning when connecting to aircraft. This involved setting up IK chains and constraints in Unity’s animation system.

2. Developing AI-Powered Guidance


Creating an AI-powered guidance system capable of providing real-time instructions and corrections to trainees involved advanced AI algorithms and seamless integration within the VR environment.


The AI system was developed using Unity’s ML-Agents toolkit, which allows the creation of intelligent agents within the Unity environment. The agents were trained using reinforcement learning. The virtual assistant was programmed to recognize specific actions and scenarios using a combination of rule-based systems and machine learning models. Natural Language Processing (NLP) was integrated for understanding voice commands and providing interactive voice guidance.

3. Dynamic Weather and Lighting Effects


Simulating dynamic weather conditions and real-time day/night cycles required advanced shader programming and real-time processing capabilities without affecting the overall performance.


Custom shaders were created using Unity’s Shader Graph and HLSL to simulate various weather effects such as rain, snow, and fog. These shaders included optimizations for performance, such as reducing overdraw and leveraging GPU instancing.A dynamic skybox was used to reflect the changing sky conditions, with real-time updates to cloud patterns, sun position, and ambient lighting. Environmental sounds were layered and synchronized with visual effects to enhance immersion.

4. Real-Time Scenario Modifications


Allowing instructors to modify scenarios and conditions in real-time required a flexible and robust system that could handle changes on-the-fly without disrupting the ongoing simulation.


A dynamic scenario management system was built using Unity’s scripting capabilities. This system allowed real-time modifications of weather conditions, aircraft types, and training parameters.

To handle real-time changes, the system employed asynchronous programming techniques. Changes made by instructors were processed in the background and applied to the simulation seamlessly.

A command pattern was used to queue and execute modifications, ensuring that each change was applied in a controlled manner without causing interruptions or performance drops

5. Cloud-Based Storage and Data Security


Ensuring secure storage and retrieval of the data in the cloud necessitated robust data management and security protocols.


Firebase and AWS services were used to provide scalable and secure cloud storage solutions. Firebase’s real-time database offered low-latency access to trainee data, while AWS provided robust data management and security features.

Data was encrypted both at rest and in transit using industry-standard encryption protocols (e.g., AES-256).

Role-based access control (RBAC) was employed to restrict data access based on user roles, enhancing security and compliance with data protection regulations

6. Ergonomic and Interactive Controls


Designing ergonomic and interactive controls that provide a natural and intuitive user experience in VR was critical for the success of the training simulation.


Unity’s XR Interaction Toolkit was utilized to create intuitive and responsive touch and gesture-based controls. This toolkit provided a robust framework for handling VR interactions, including raycasting, grabbing, and UI interactions.

Custom control mapping was implemented to align with the specific actions required for jet bridge operations

Haptic feedback was integrated to provide tactile responses to user actions, enhancing the realism and immersion of the training experience.


The development of the Jet Bridge VR Training Simulation using the Unity3D engine for the Pico headset showcases the successful integration of advanced technical solutions to create a realistic, immersive, and effective training tool. By addressing challenges related to rendering, physics interactions, AI guidance, dynamic environmental effects, real-time scenario modifications, data security, and ergonomic controls, the development team was able to deliver a state-of-the-art VR training simulation. This platform not only enhances the learning experience for trainees but also ensures the highest standards of safety and efficiency in jet bridge operations, demonstrating the transformative potential of VR in professional training and development.


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