Doc 52 - Sprint Scrutineering

2026 SINGAPORE GRAND PRIX 09 - 11 October 2026 Technical Delegate’s Report Before the Sprint: The following parts have been 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 A spare LHS front corner of car numbers 16 and 44 was digitally scanned and the scanned data were compared with the team declared CAD drawings. Further the team declared CAD drawings were also compared with previously submitted versions and checked for conformance with the 2026 Formula One Technical Regulations. The upper bodywork of car number 81 was digitally scanned and the scanned data were compared with the team declared CAD drawings. Further the team declared CAD drawings were also compared with previously submitted versions and checked for conformance with the 2026 Formula One Technical Regulations. The overall width was digitally checked on car number 81. 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 01, 12, 06, 16, 14 and 43. From The FIA Formula 1 Technical Delegate To The Stewards Document 52 Date 10 October 2026 Time 19:55 On the grid the minimum tyre starting pressure of the LHS and RHS front and rear tyre was checked on all cars. After the Sprint: The following cars were weighed: Number Car 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 The following aerodynamic component or bodywork areas were checked on car numbers 44 and 27: - 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 Corner - Article C3.5.10 - Nose - Article C3.7.1 - Forward Chassis - Article C3.7.2 - Mid Chassis - Article C3.7.3 - Roll Hoop - Article C3.7.4 - Mirror - Article C3.7.5 - Driver Cooling - Article C3.7.6 - Sidepod - Article C3.8.1 - Engine Cover - Article C3.8.2 - Tail - Article C3.9.1 - Front Wing Profiles - Article C3.10.1 - Front Wing Endplate body - Article C3.10.2 - Front Wing Outboard Footplate - Article C3.10.3 - Front Wing Inboard Footplate - Article C3.10.4 - Front Wing Endplate Diveplane - Article C3.10.5 - Rear Wing Profiles - Article C3.11.1 - Rear Wing Endplate Body - Article C3.11.2 - Rear Wing Pylon - Article C3.11.4 - Rear Wing Aux. Components - Article C3.11.7 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 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 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. Chassis FIA checksum was checked on all cars taking part in the qualifying sessions. The rear brakes pressure control was checked on car numbers 81, 12, 03, 16, 55, 30, 14, 87, 27 and 10. The brake temperature warnings were checked on all cars. The steering wheel of all cars has been checked. The Sprint start data of all cars have been checked. Single clutch paddle use for the Sprint start has been checked on all cars. The TPMS coverage was checked on all cars. 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 Sprint were checked. The tyres used by all drivers during the Sprint 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