Article C3.9.1
Tail
Technical Regulations
Article C3.9.1
Tail
Chapter: C3
In Simple Terms
The rear wing and tail section must fit within a defined three-dimensional space called RV-TAIL. When looking at the car from underneath, the tail must be completely hidden behind the floor up to a certain point. Below a specific height, the tail can have up to three separate sections.
- Entire tail bodywork must stay within the RV-TAIL boundary box
- Tail must be fully obscured by the floor when viewed from below, forward of XR = 295mm
- Below Z = 450mm height, teams can have maximum three sections in any horizontal plane
- Violations relate to aerodynamic device sizing and positioning regulations
Official FIA Text
Tail Bodywork must lie in its entirety within RV-TAIL, when viewed from below be fully obscured by Floor Body forward of XR = 295, and below Z = 450 have up to three sections in any Z-Plane.
tail bodyworkrear wingrv-tailfloor obscuredaerodynamic device
2026 Season Regulations