Article C12.9

Driver Fit Information

Technical Regulations

Article C12.9

FIA Source

Driver Fit Information

Chapter: C12

In Simple Terms

Teams are allowed to share driver comfort and fit information with each other, such as seat design and steering wheel positioning. However, they cannot share how these parts are actually built or constructed—only the measurements and shapes that relate to fitting the driver.

  • Teams can exchange CAD geometries and measurements related to driver fit between each other
  • Shareable information includes seat geometry, helmet position, steering wheel position, and safety harness installation
  • Construction details and manufacturing methods cannot be shared, maintaining competitive advantage in design
  • This rule promotes driver comfort standards while protecting proprietary engineering secrets
Official FIA Text

Driver−fit information may be transferred between teams. Such information may include CAD geometries and measurements directly relating to driver−fit but must not include construction details. Information that can be transferred includes: seat geometry, helmet position, steering wheel position, and safety harness installation.

driver fitinformation transferseat geometrysteering wheel positionhelmet position
2026 Season Regulations