Article C8.9.4
In-ear accelerometers
Technical Regulations
Article C8.9.4
In-ear accelerometers
Chapter: C8
In Simple Terms
Every F1 driver must wear small accelerometers in their ears during races. These devices are made by an FIA-approved manufacturer and measure the forces and impacts the driver experiences while driving, helping teams and officials monitor driver safety and performance data.
- Drivers are required to wear in-ear accelerometers during all races
- The devices must be manufactured by the FIA's designated supplier only
- The specifications and design are determined and controlled by the FIA
- These sensors measure G-forces and impacts experienced by drivers
Official FIA Text
Each driver must wear in-ear accelerometers which have been manufactured by the FIA designated supplier to a specification determined by the FIA.
in-ear accelerometersdriver safety monitoringg-force measurementfia equipmentmandatory safety devices
2026 Season Regulations