Doc 89 - Race Scrutineering

2026 SINGAPORE GRAND PRIX 09 - 11 October 2026 Technical Delegate’s Report Before the Race: The following parts have been replaced today after 18:50 and before the start of the race: Audi: Car 27: Telemetry antenna A rear wing bodywork flexibility test was carried on car number 55. A rear wing flap flexibility test was carried on car number 55. The front wing flap adjustable range of car number 31 was digitally checked. Clutch paddle linearity checks have been carried out on cars 05 and 10. On the grid it was checked that all cars had fitted their tyres and the tyre heating blankets were disconnected, when the “5-Minutes” signal was given. On the grid the temperature of the LHS and RHS front and rear tyre was checked on car numbers 81, 12, 03, 23, 55, 41, 87, 10 and 43. On the grid the minimum tyre starting pressure of the LHS and RHS front and rear tyre was checked on all cars. After the Race: The following cars were weighed: From The FIA Formula 1 Technical Delegate To The Stewards Document 89 Date 11 October 2026 Time 23:32 Number Car Driver 81 McLaren Mercedes Oscar Piastri 01 McLaren Mercedes Lando Norris 63 Mercedes George Russell 12 Mercedes Kimi Antonelli 03 Red Bull Racing RB Ford Max Verstappen 06 Red Bull Racing RB Ford Isack Hadjar 16 Ferrari Charles Leclerc 44 Ferrari Lewis Hamilton 23 Atlassian Williams Mercedes Alexander Albon 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 11 Cadillac Ferrari Sergio Perez 77 Cadillac Ferrari Valtteri Bottas The following aerodynamic component or bodywork areas were checked on car numbers 63, 03 and 10: - Floor Body - Article C3.5.1 - Floor Foot - Article C3.5.2 - Floor Sidewall - Article C3.5.3 - Floor Board - Article C3.5.5 - Floor Bib - Article C3.5.6 - Floor Leading Edge Device - Article C3.5.7 - Floor Winglet - Article C3.5.8 - Floor Fence - Article C3.5.9 - Floor Corner - Article C3.5.10 - Plank Assembly - Article C3.6.1 - Mid Chassis - Article C3.7.3 - Mirror - Article C3.7.5 - Sidepod - Article C3.8.1 The skid wear was checked on car numbers 81, 01, 63, 12, 03, 06, 16, 44, 23, 55, 41, 30, 14, 31, 87, 27, 10, 11 and 77. The fuel pressure of all cars during the qualifying session was checked. The logged pressure within the engine cooling system during the qualifying session was checked on all cars. The engine high rev limit bands were checked on all cars. Fuel flow meter calibration checksums were checked on all cars. The instantaneous fuel energy flow of all cars was checked. The partial load fuel energy flow of all cars was checked. The fuel temperature of all cars was checked. The plenum temperature was checked on all cars. The engine intake air pressure of all cars was checked. The maximum turbocharger speed was checked on all cars. The PU and MGU-K power reduction rates were checked on all cars. The DC sensor temperatures were checked on all cars. The on-track ES state of charge was checked on all cars. The ERS recharge limits were checked on all cars. The maximum MGU-K power limits were checked on all cars. The maximum MGU-K speed was checked on all cars. The MGU-K use at the Race start was checked on all cars. The MGU-K power model was checked on all cars. The ES power model was checked on all cars. The torque coordinator demands were checked on all cars. The torque control was checked on all cars. The session type has been confirmed for all cars. The chassis FIA checksums were checked on all cars taking part in the Race. The rear brakes pressure control was checked on car numbers 63, 03, 55, 30, 87 and 11. The steering wheel of all cars has been checked. The Race start data of 63, 03, 55, 30, 87, 11 have been checked. Single clutch paddle use for the Race start has been checked on all cars. It was checked that no car exceeded 80 km/h when leaving the formation grid prior to the start of the Race. The maximum front wing adjuster system transition time was checked on all cars. The maximum rear wing adjuster system transition time was checked on all cars. The tyre starting pressures of all cars during the race were checked. The tyres cold pressure was checked on car numbers 27. The tyres used by all drivers during the race today have been checked. All car weights and the items checked were found to be in compliance with the 2026 FIA Formula One Technical Regulations. The FIA Formula 1 Technical Delegate Jo Bauer