Summary
Post-race technical inspection of Hamilton's car 44 in Barcelona found no breaches of the Technical Regulations.
Explanation
Car 44 (Hamilton) underwent post-race technical checks after Barcelona as part of random top-ten scrutineering. Inspections focused on rear brake hardware and electronics, including brake control software and sensor integration. All components complied with the 2026 F1 Technical Regulations. No infringements were found.
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Referenced regulations
FIA F1 Regulations - Article C11.1
11.1 On a plane through Z=0, a simple, closed polygon whose edges pass through the following [X, Y] vertices sequentially: a. [X =430, 0], [X =430, 75], [X =690, 125], [X =−1300, 125], [X =−350, 50], [X =−350, 0], F F F R R R [X =430, 0] F
11.2 Once the surface in §11.1 is fully defined, a fillet of radius 25mm must be applied at vertex at
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FIA F1 Regulations - Article C11.2
11.2 Once the surface in §11.1 is fully defined, a fillet of radius 25mm must be applied at vertex at [X =430, 75] and a fillet of radius 2000mm must be applied at the vertices at [X =690, 125] and F F [X =−1300, 125]. R
11.3 Once the surface in §11.2 is fully defined it must be extruded along Z to Z=−10.
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FIA F1 Regulations - Article C11.3
11.3 Once the surface in §11.2 is fully defined it must be extruded along Z to Z=−10.
11.4 Once the volume in §11.3 is fully defined; a chamfer of 6mm x 100mm must be applied to the lower
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FIA F1 Regulations - Article C11.4
11.4 Once the volume in §11.3 is fully defined; a chamfer of 6mm x 100mm must be applied to the lower edge at X =−350 and a chamfer of 6mm x 12mm must be applied to the remaining lower edges. R
11.5 The fully defined volume in §11.4 is “RV-PLANK”.
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FIA F1 Regulations - Article C11.5
11.5 The fully defined volume in §11.4 is “RV-PLANK”. 12 Front Bodywork Reference Volume (RV-BODY-FRONT) RV-BODY-FRONT is composed of the following elements:
12.1 A cylinder of diameter 11,000mm centred on the Y-Aligned axis [X , Z] = [−1000, −4853], extruded
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FIA F1 Regulations - Article C11.6
C11.6 are classified as OSC, in accordance with the provisions of Article C17.5. 2026 Formula 1: Technical Regulations 27 February 2026 C1 18 C 0 SECTION C: TECHNICAL REGULATIONS ARTICLE C12: SURVIVAL CELL Advisory Committee: TAC Governance: F1 Commission / WMSC
C12.1 General Requirements
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FIA F1 Regulations - Article C8.1
8.1 On a plane through Z = 0, a simple, closed polygon whose edges pass through the following [X, Y] vertices sequentially: a. [X = 425, 0], [X = 425, 100], [X = 1075, 300], [X = 1200, 300], [X = 1200, 0], [X = 425, 0]. F F F F F F
8.2 Once the surface in §8.1 is fully defined, it must be extruded along Z to Z = 50.
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FIA F1 Regulations - Article C8.2
8.2 Once the surface in §8.1 is fully defined, it must be extruded along Z to Z = 50. The fully defined volume in §8.2 is “RV-FLOOR-BIB”. 2026 Formula 1: Technical Regulations 27 February 2026 C2 08 C 0 SECTION C: TECHNICAL REGULATIONS 9 Floor Leading Edge Device (RV-FLOOR-LED) RV-FLOOR-LED is composed of the following elements:
9.1 An axis-aligned cuboid, which has one interior diagonal defined by the points:
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