FIA Formula 1 World Championship

2026 Monaco Grand Prix - Technical Delegate's Report (Document 88)

Document Metadata

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1. Before the Race

Replaced Parts (Today after 13:50 and before the race start)

• Racing Bulls RB Ford
  • Car 30 (Liam Lawson): Fuel tank hatch and seal
• Aston Martin Aramco Honda
  • Car 18: Driver's seat

Inspections & Tests

• Front Floor Flexibility Test: Car 03 & 44
• Fuel Samples: Car 03, 05 & 77
• Engine Oil Samples: Car 03 & 77
• Grid Tyre Checks:
  • Checked that all cars had tyres fitted and heating blankets disconnected when the "5-Minutes" signal was given.
  • Checked LHS & RHS front and rear tyre temperatures on cars: 81, 03, 55, 30, 14, 10, 77.
  • Checked minimum tyre starting pressures on all cars.

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2. After the Race

Weighed Cars

Aerodynamic & Bodywork Checks (Cars 27, 10, and 44)

Checked against Technical Regulations (TR):

• Floor & Underbody: Floor Body (C3.5.1), Floor Foot (C3.5.2), Floor Sidewall (C3.5.3), Floor Board (C3.5.5), Floor Bib (C3.5.6), Floor Leading Edge Device (C3.5.7), Floor Corner (C3.5.10)
• Chassis & Nose: Nose (C3.7.1), Forward Chassis (C3.7.2), Mid Chassis (C3.7.3), Roll Hoop (C3.7.4), Mirror (C3.7.5), Driver Cooling (C3.7.6)
• Engine Cover & Sidepods: Sidepod (C3.8.1), Engine Cover (C3.8.2), Tail (C3.9.1)
• Front Wing: Front Wing Profiles (C3.10.1), Front Wing Endplate Body (C3.10.2), Front Wing Outboard Footplate (C3.10.3), Front Wing Inboard Footplate (C3.10.4), Front Wing Endplate Diveplane (C3.10.5), Front Wing Strake (C3.10.8)
• Rear Wing: Rear Wing Profiles (C3.11.1), Rear Wing Endplate Body (C3.11.2), Rear Wing Pylon (C3.11.4), Rear Wing Aux. Components (C3.11.7)

General Post-Race Systems & Parameter Checks

• Checked fuel pressure, engine cooling system logged pressure, and engine high rev limit bands on all cars.
• Checked fuel flow meter calibration checksums, instantaneous & partial load fuel energy flow, fuel temperature, and plenum temperature on all cars.
• Checked engine intake air pressure, maximum turbocharger speed, PU & MGU-K power reduction rates on all cars.
• Checked DC sensor temperatures, on-track ES state of charge, ERS recharge limits, maximum MGU-K power limits & speed on all cars.
• Confirmed session type and checked Chassis FIA checksum on all cars.
• Checked rear brakes pressure control, brake temperature warnings, steering wheel, and race start data (including single clutch paddle use) on all cars.
• Verified that no classified car exceeded 60 km/h when leaving the formation grid prior to the start of the race.
• Checked tyre starting pressures and tyres used during the race by all drivers.
• Post-race fuel & engine oil samples were taken from Car 81 (analysed via gas chromatography, FTIR spectroscopy, and viscometry) and found to be compliant.

Conclusion: All the above items were found to be in conformity with the 2026 FIA Formula One Technical Regulations.

Manuel Leal
FIA Formula 1 Technical Delegate