Doc 47 - Qualifying Scrutineering

This document, issued by the FIA Formula One Technical Delegate, Jo Bauer, to the Stewards on 08 November 2025 at 18:13, details the technical checks conducted before, during, and after the Qualifying practice session for the 2025 São Paulo Grand Prix.

Before the Qualifying practice session:

• Fuel samples were taken from car numbers 87 and 30.
• Engine oil samples were taken from car numbers 87 and 30.
• All cars confirmed their gear ratios conformed to those declared to the FIA technical delegate at or before the first Competition of the 2025 Championship.

During the Qualifying practice session:

• Weighing: Car numbers 81, 04, 44, 01, 12, 18, 14, 10, 31, 87, 06, 23, and 55 were weighed.
• Weight Distribution: Checked on car numbers 81, 04, 44, 01, 12, 18, 14, 10, 31, 87, 06, 23, and 55.
• Rear Wing Positions: Uppermost rear wing element adjustable positions were checked on car numbers 01, 43, and 31.
• Rear Wing Minimum Distance: Checked on car numbers 01, 43, and 31.
• Tyre Pressures: Tyre starting pressures of all cars were checked.

After the Qualifying practice session:

• Weighing: Car numbers 81, 04, 16, 63, 12, 10, 87, 06, 30, and 27 were weighed.
• Aerodynamic Components/Bodywork (Car numbers 81, 16, and 06):
  • 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)
  • Pylons (TR Article 3.10.2)
  • 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)
• Rear Wing Checks (Car numbers 63, 12, 10, 87, 30, and 27):
  • Uppermost rear wing element adjustable positions.
  • Minimum distance between adjacent rear wing sections.
• System Checks (All cars):
  • Fuel pressure.
  • Logged pressure within the engine cooling system.
  • Engine high rev limit bands.
  • Fuel flow meter calibration checksums.
  • Instantaneous fuel mass flow.
  • Partial load fuel mass flow.
  • Fuel temperature.
  • Plenum temperature.
  • Exhaust fluid mass flow.
  • IVT code and calibration checksums.
  • IVT temperatures.
  • ES state of charge on-track limits.
  • Lap energy release and recovery limits.
  • MGU-K power limits, maximum speed, and maximum torque.
  • Maximum MGU-H speed.
  • MGU-K and ES power models.
  • Torque coordinator demands and torque control.
  • Session type confirmation.
  • Chassis FIA checksum.
  • Torque sensor software version and calibration checks.
  • Rear brakes pressure control.
  • Steering wheel.
  • PCU dash board display configuration (verified unchanged).
  • Custom software version checks.
  • SECU software version checks.
• Tyre Checks:
  • All tyres used by drivers during sessions were checked.
  • Tyre cold pressure was checked on car numbers 10 and 27.
• Fuel Analysis:
  • Fuel samples were taken from car numbers 04 and 06.
  • All fuel samples were checked for density and analyzed by gas chromatography.
  • Results confirmed fuels were consistent with approved samples and density changes were within permitted limits.
• Engine Oil Analysis:
  • An engine oil sample was taken from car number 04.
  • Samples were analyzed by FTIR spectroscopy and viscometry, confirming consistency with approved reference engine oil samples.
• SECU Software Versions:
  • All teams used FIA Standard ECU system version SR1707 during qualifying sessions.

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