Doc 33 - Parc Fermé Issues, Part 2
Technical Delegate's Report: Parc Fermé Issues, Part 2
Date: 07 September 2025 From: The FIA Formula One Technical Delegate (Jo Bauer) To: The Stewards
This report details several power unit (PU) component changes made by drivers, which are not in conformity with Article 28.2 of the 2025 Formula One Sporting Regulations.
1. Internal Combustion Engine (ICE) Changes
The following drivers will be using a new ICE, which is their fifth (5th) unit, exceeding the four (4) allowed for the season:
| Number | Car | Driver | Previously used ICE |
|---|---|---|---|
| 10 | 알핀 르노 | 피에르 가슬리 | 4 |
| 06 | 레이싱 불스 혼다 RBPT | 아이작 하자르 | 4 |
This is not in conformity with Article 28.2 of the 2025 Formula One Sporting Regulations.
2. Turbocharger (TC) Changes
The following drivers will be using a new turbocharger, which is their fifth (5th) unit, exceeding the four (4) allowed for the season:
| Number | Car | Driver | Previously used TC |
|---|---|---|---|
| 10 | 알핀 르노 | 피에르 가슬리 | 4 |
| 06 | 레이싱 불스 혼다 RBPT | 아이작 하자르 | 4 |
This is not in conformity with Article 28.2 of the 2025 Formula One Sporting Regulations.
3. Motor Generator Unit-Heat (MGU-H) Changes
The following drivers will be using a new MGU-H, which is their fifth (5th) unit, exceeding the four (4) allowed for the season:
| Number | Car | Driver | Previously used MGU-H |
|---|---|---|---|
| 10 | 알핀 르노 | 피에르 가슬리 | 4 |
| 06 | 레이싱 불스 혼다 RBPT | 아이작 하자르 | 4 |
This is not in conformity with Article 28.2 of the 2025 Formula One Sporting Regulations.
4. Motor Generator Unit-Kinetic (MGU-K) Changes
The following drivers will be using a new MGU-K, which is their fifth (5th) unit, exceeding the four (4) allowed for the season:
| Number | Car | Driver | Previously used MGU-K |
|---|---|---|---|
| 10 | 알핀 르노 | 피에르 가슬리 | 4 |
| 06 | 레이싱 불스 혼다 RBPT | 아이작 하자르 | 4 |
This is not in conformity with Article 28.2 of the 2025 Formula One Sporting Regulations.
5. Energy Store (ES) Changes
The following driver will be using a new ES, which is their third (3rd) unit, exceeding the two (2) allowed for the season:
| Number | Car | Driver | Previously used ES |
|---|---|---|---|
| 06 | 레이싱 불스 혼다 RBPT | 아이작 하자르 | 2 |
This is not in conformity with Article 28.2 of the 2025 Formula One Sporting Regulations.
6. Control Electronics (CE) Changes
The following driver will be using a new CE, which is their third (3rd) unit, exceeding the two (2) allowed for the season:
| Number | Car | Driver | Previously used CE |
|---|---|---|---|
| 06 | 레이싱 불스 혼다 RBPT | 아이작 하자르 | 2 |
This is not in conformity with Article 28.2 of the 2025 Formula One Sporting Regulations.
7. Exhaust System (EX) Changes
The following drivers will be using a new exhaust system, which is their first (1st) unit, within the eight (8) allowed for the season. However, these changes were made without the approval of the FIA technical delegate.
| Number | Car | Driver | Previously used EX |
|---|---|---|---|
| 10 | 알핀 르노 | 피에르 가슬리 | 6 |
| 06 | 레이싱 불스 혼다 RBPT | 아이작 하자르 | 6 |
All listed PU elements were replaced without the approval of the FIA technical delegate. Therefore, car numbers 10 and 06 should be required to start the race from the pit lane according to Article 40.9 a) of the 2025 Formula One Sporting Regulations.
This matter is referred to the Stewards for their consideration.