The FIA issues statement further explaining Hamilton and Leclerc’s DQ

© Sam Bloxham for Mercedes-Benz Grand Prix ltd.

In response to criticism over their disqualification of Lewis Hamilton and Charles Leclerc from the United States Grand Prix, the FIA has issued a statement explaining their post-race scrutineering procedures.

After the United States Grand Prix, the FIA disqulified Lewis Hamilton and Charles Leclerc because excessive wear was detected on their floor planks.

This caused many fans and observers, and even some pundits, to question the FIA’s decision-making process, especially the fact that they didn’t check all of the cars for wear, after two of the four they inspected were found to be illegal.

In response to this, the FIA decided to issue a lenghty statement explaining their post-race scrutineering procedures. Here it is in full.

“Following the disqualification of two cars from the United States Grand Prix, the spotlight has been on the FIA’s post-race scrutineering procedures,” the statement read.

“During the analysis carried out by the FIA’s technical experts, Lewis Hamilton’s Mercedes and Charles Leclerc’s Ferrari were found to have plank wear exceeding the limits imposed by the regulations, while the same checks carried out on two other cars found no breach of the regulations.

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“So how does the FIA go about checking for compliance, and is it the same at every event? The answer is that a series of random checks are carried out every weekend on different areas of the cars. This process has been in place for many decades, and exists to ensure compliance with the regulations by virtue of the fact that the teams do not know before the race which specific areas of which cars might be examined beyond the standard checks carried out on every car each weekend (such as the fuel sample taken from all cars after each Grand Prix). This means that, from their perspective, any part of the car could be checked at any time, and the consequences for non-compliance with the Technical Regulations can be severe.

“The FIA’s F1 technical team has a wealth of experience, as well as data from a plethora of sources and sensors that help inform decisions on what aspects of compliance might be checked. The vast majority of the time, all cars are found to be compliant. However, as happened in Austin, breaches of the rules are occasionally found and reported to the Stewards, who decide the appropriate action to take.

“In conducting these tests, a huge amount  of work goes on in the limited time available after a Grand Prix finishes and before the cars need to be returned to their teams for disassembly and transportation to the next race. However, even though a wide array of checks are made, it is impossible to cover every parameter of every car in the short time available – and this is especially true of back-to-back race weekends when freight deadlines must also be considered.

“This is why the process of randomly selecting a number of cars for post-race scrutineering across various aspects of the regulations is so valuable. Each team is aware that selection is possible and understand that the chance of any lack of compliance being uncovered is strong.

“The scrutineering process isn’t limited to post-qualifying and post-race checks. The FIA also conducts additional examinations between qualifying and the race, and as well as the number of cars selected for post-race checks, at least one is selected for even more detailed analysis on internal components. These ‘deep dives’ are invasive and often require the disassembly of significant components that are not regularly checked due to the time it takes to carry out the procedure. This process involves comparing the physical components with CAD files the teams are required to supply to the FIA, as well as verification of team data that is constantly monitored by the FIA’s software engineers.

“As with everything in Formula 1, the process has evolved and been refined over the years to constitute the most stringent and thorough method of monitoring F1’s incredibly complex current-generation cars, acting as a serious deterrent while being practically achievable within the logistical framework of a Grand Prix weekend,” the statement concluded.

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