Article C3.16.10

Cockpit Entry Aperture

Technical Regulations

Article C3.16.10

FIA Source

Cockpit Entry Aperture

Chapter: C3

In Simple Terms

The cockpit opening (where the driver gets in and out) must be positioned within a specific location on the chassis and cannot be larger than 175,000mm² when viewed from above. Engineers measure this with the car's roll protection structure removed to get an accurate reading.

  • Cockpit entry opening limited to maximum 175,000mm² in area
  • Opening must be positioned within defined coordinates [850, 200, 200] relative to the chassis center point
  • Measurement taken from above with secondary roll structure removed for accuracy
  • Ensures consistent driver safety and accessibility across all F1 cars
Official FIA Text

Cockpit Entry aperture within [850, 200, 200] RV on Chassis Mid, maximum 175000mm² area, viewed from above, visibility assessed with Secondary Roll Structure removed.

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2026 Season Regulations