Doc 52 - Sprint Scrutineering
Technical/Scrutineering
2026 Singapore Grand Prix - Document 52 From: The FIA Formula 1 Technical Delegate To: The Stewards Date: 10 October 2026 (19:55)
1. Before the Sprint
Part Replacements
The following parts were replaced today after 15:50 and before the start of the Sprint:
- Aston Martin Aramco Honda (Car 18): Front wing/nose assembly
- Alpine Mercedes (Car 10): Steering wheel
Technical Checks & Scans
- Digital Scans:
- Spare LHS front corner of cars 16 and 44 scanned and compared with team-declared CAD drawings and 2026 Technical Regulations.
- Upper bodywork and overall width of car 81 digitally scanned/checked against CAD and regulations.
- Grid Checks:
- Tyre fitting and heating blanket disconnection verified at the "5-Minutes" signal.
- Tyre temperatures checked on cars 01, 12, 06, 16, 14, 43.
- Minimum tyre starting pressures checked on all cars.
2. After the Sprint
Weighed Cars
| Car No. | Team | Driver |
|---|---|---|
| 01 | McLaren Mercedes | Lando Norris |
| 12 | Mercedes | Kimi Antonelli |
| 03 | Red Bull Racing RB Ford | Max Verstappen |
| 16 | Ferrari | Charles Leclerc |
| 44 | Ferrari | Lewis Hamilton |
| 55 | Atlassian Williams Mercedes | Carlos Sainz |
| 41 | Racing Bulls RB Ford | Arvid Lindblad |
| 30 | Racing Bulls RB Ford | Liam Lawson |
| 14 | Aston Martin Aramco Honda | Fernando Alonso |
| 31 | Haas Ferrari | Esteban Ocon |
| 87 | Haas Ferrari | Oliver Bearman |
| 27 | Audi | Nico Hülkenberg |
| 10 | Alpine Mercedes | Pierre Gasly |
Aerodynamic & Bodywork Checks (Cars 44 & 27)
- Floor Body, Foot, Sidewall, Board, Bib, Leading Edge Device, Corner (Articles C3.5.1 - C3.5.10)
- Nose, Forward/Mid Chassis, Roll Hoop, Mirror, Driver Cooling (Articles C3.7.1 - C3.7.6)
- Sidepod, Engine Cover, Tail (Articles C3.8.1 - C3.9.1)
- Front Wing & Rear Wing profiles, endplates, footplates, diveplanes, pylons, aux components (Articles C3.10.1 - C3.11.7)
Power Unit & Systems Checks
- Fuel pressure, engine cooling system pressure, high rev limits, fuel flow meter calibration checksums.
- Fuel energy flow (instantaneous & partial load), fuel & plenum temperatures.
- Engine intake air pressure, maximum turbocharger speed, DC sensor temperatures.
- On-track ES state of charge, ERS recharge limits, maximum MGU-K power & speed limits.
- Torque coordinator demands and torque control.
- Session type confirmation, chassis FIA checksums (qualifying).
- Rear brakes pressure control (cars 81, 12, 03, 16, 55, 30, 14, 87, 27, 10).
- Brake temperature warnings, steering wheel checks, Sprint start data, single clutch paddle use.
- TPMS coverage, max front/rear wing adjuster transition time, tyre starting pressures, and used tyres.
Conclusion: All car weights and items checked were found to be in compliance with the 2026 FIA Formula One Technical Regulations.
Jo Bauer The FIA Formula 1 Technical Delegate