# How Airport Vehicles Automatically Park Safely Next to Airplanes > A smart navigation system that helps airport service vehicles like catering trucks park safely at aircraft doors by identifying targets and avoiding restricted zones. - **Patent:** US 11932418 - **Original title:** Electronic system for controlling the docking of a vehicle with a docking area, and corresponding method - **Owner:** TLD EUROPE - **Granted:** 2024 - **Status:** Active - **Times cited:** 0 - **Field:** automotive, aerospace, ai_ml ## What it does This system uses cameras and sensors to help ground vehicles automatically approach an aircraft door. First, it identifies specific visual markers (targets) on the plane to pinpoint exactly where the door is located. It then calculates a safe path for the vehicle, cross-referencing the type of aircraft with a database to ensure the vehicle avoids 'exclusion zones'—areas where it shouldn't go, such as sensitive sensors or wings. Finally, it forces the vehicle to align itself along a straight 'docking line' for the last two meters of the approach to ensure a gentle, perpendicular connection. ## What it does NOT cover - Does not cover manual docking where a human driver controls the steering. - Does not cover systems that lack a database of exclusion zones for specific docking destinations. - Does not cover docking paths that do not include a final straight-line approach of at least two meters. - Does not cover generic vehicle navigation that ignores the specific geometry of the docking target. ## The clever bit The system doesn't just look for a door; it calculates a specific circular arc trajectory based on the vehicle's rear suspension geometry, ensuring the vehicle arrives perfectly squared up to the target. ## Real-world examples 1. Automated baggage belt loaders 2. Autonomous aircraft catering trucks 3. Self-docking airport ground support equipment ## Why it matters Airport ground operations are high-stakes environments where collisions between service vehicles and aircraft can cause millions of dollars in damage or flight delays. By automating the final approach, this technology reduces human error and increases the consistency of docking procedures, which is critical for the efficiency of modern airline turnarounds. ## Frequently asked questions ### What does How Airport Vehicles Automatically Park Safely Next to Airplanes cover? A smart navigation system that helps airport service vehicles like catering trucks park safely at aircraft doors by identifying targets and avoiding restricted zones. ### Who owns patent US 11932418? TLD EUROPE owns this patent, granted in 2024. ### When does this patent expire? This patent is expected to expire on March 19, 2044, when the invention enters the public domain. ### What problem does this patent solve? Airport ground operations are high-stakes environments where collisions between service vehicles and aircraft can cause millions of dollars in damage or flight delays. By automating the final approach, this technology reduces human error and increases the consistency of docking procedures, which is critical for the efficiency of modern airline turnarounds. ### What does this patent NOT cover? Does not cover manual docking where a human driver controls the steering. **Full plain-English explainer:** https://patentbrief.org/patent/us/11932418/starship-propellant-transfer **Original patent:** https://patents.google.com/patent/US11932418 --- _Source: PatentBrief — https://patentbrief.org. 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