Document 67 - Race Scrutineering Report

Date: 09 November 2025 Time: 18:28

This report, issued by the FIA Formula One Technical Delegate, details various technical checks performed before and after the 2025 São Paulo Grand Prix.

Before the Race:

Part Replacements (After 12:57, before race start):

• Haas Ferrari Car 87: Steering wheel replaced.

Pre-Race Technical Checks:

• Rear Wing Deflection: Main plane tip and flap deflection tests were carried out on Car 87.
• Front Wing Flap: Adjustable range of Car 01 was digitally checked.
• Front Wing Gurneys: Size checked on Cars 81, 04, 16, 44, 31, 87, 23, 55, 27, and 05.
• Rear Wing Gurney: Size checked on all cars.
• Front Floor Deflection: Tested on Cars 16, 14, and 06.
• Clutch Paddle Linearity: Checked on Car 23.
• Fuel Sample: Taken from Cars 44, 01, and 27, and analyzed during the race.
• Engine Oil Sample: Taken from Cars 01 and 27.
• Grid Checks: All cars confirmed to have fitted tyres and disconnected tyre heating blankets at the "5-Minutes" signal.
• Tyre Temperature: LHS and RHS front and rear tyre temperatures checked on Cars 16, 44, 63, 12, 10, 43, 87, 06, and 55.
• Minimum Tyre Starting Pressure: Checked on all cars for LHS and RHS front and rear tyres.

After the Race:

Car Weighing:

All cars listed below were weighed:

Aerodynamic Component & Bodywork Checks (Cars 01, 10, 87, 27):

The following areas were checked against relevant TR Articles:

• Floor Body (TR Article 3.5.1)
• Floor Fences (TR Article 3.5.2)
• Floor Edge Wing (TR Article 3.5.3)
• Nose (TR Article 3.6.1)
• Forward Chassis (TR Article 3.6.2)
• Mid Chassis (TR Article 3.6.3)
• Mirror Housing (TR Article 3.6.4)
• Sidepod (TR Article 3.7.1)
• Coke Panel (TR Article 3.7.2)
• Engine Cover (TR Article 3.7.3)
• Tail (TR Article 3.8.1)
• Front Wing Profiles (TR Article 3.9.1)
• Front Wing Endplate body (TR Article 3.9.2)
• Front Wing Tip (TR Article 3.9.3)
• Front Wing Diveplane (TR Article 3.9.4)
• Front Wing Endplate (TR Article 3.9.5)
• Rear Wing Profiles (TR Article 3.10.1)
• Rear Wing Beam (TR Article 3.10.3)
• Rear Wing Endplate Body (TR Article 3.10.4)
• Rear Wing Tip (TR Article 3.10.5)
• Rear Wing Endplate (TR Article 3.10.7)

General Post-Race Technical Checks:

• Skid Wear: Checked on Cars 81, 04, 01, 63, 12, 10, and 27.
• Central Floor Flexibility: Checked on Car 63.
• Legality Documents: TD001 N submission concerning Car 12's floor was checked.
• Fuel System: Fuel pressure, fuel flow meter calibration checksums, instantaneous fuel mass flow, partial load fuel mass flow, and fuel temperature of all cars were checked.
• Engine Cooling System: Logged pressure checked on all cars.
• Engine Rev Limits: High rev limit bands checked on all cars.
• Plenum Temperature: Checked on all cars.
• Oil Consumption: Checked on all cars.
• Exhaust Fluid Mass Flow: Checked on all cars.
• IVT Code & Calibration Checksums: Checked on all cars.
• IVT Temperatures: Checked on all cars.
• ES State of Charge: On-track limits checked on all cars.
• Lap Energy: Release and recovery limits checked on all cars.
• MGU-K: Power limits, maximum speed, maximum torque, maximum MGU-H speed, and power model checked on all cars. MGU-K use at race start and non-charging while stationary in pits also verified.
• Torque System: Coordinator demands and control checked on all cars.
• Session Type: Confirmed for all cars.
• Chassis FIA Checksum: Checked on all cars participating in the race.
• Brakes: Rear brakes pressure control and brake temperature warnings checked on all cars.
• Steering Wheel: Checked on all cars.
• Race Start Data: Checked for all cars.
• Single Clutch Paddle Use: Checked for the race start on all cars.
• Formation Grid Speed: Verified no car exceeded 80 km/h when leaving the formation grid.
• PCU Dash Display: Confirmed no changes during Parc Fermé on all cars.
• Tyre Pressures: Starting pressures during the race checked on all cars. Tyres used by all drivers today checked. Cold pressure on Car 01 checked.
• Fuel Consumption: Total fuel mass consumed by Car 12 during the race checked.
• Fuel Samples (Car 63): Taken, density checked, and analyzed by gas chromatography. All fuel analyses confirmed consistency with pre-approved fuels and density changes within limits.
• Engine Oil Samples (Car 63): Taken, analyzed by FTIR spectroscopy and viscometry. Results confirmed consistency with pre-approved reference engine oil samples.

Conclusion:

All car weights and items checked were found to be in conformity with the 2025 FIA Formula One Technical Regulations.

Jo Bauer The FIA Formula One Technical Delegate