11.9. Exceptionally Vehicles fitted with fabric, folding type sunroofs are permitted providing that they are fitted with a full roll cage with ROPS as in Ch. 7 App. 3 Art. 22 – 25. Any sunroof must be firmly secured in the closed position.
11.10. Vehicles of Periods A-F be equipped with a fire extinguisher in accordance with Ch. 7 App. 6 Art. 3. Other Vehicles to be equipped with a fire extinguisher in accordance with Ch. 7 App. 6 Art. 1.2 to Art. 1.15.
11.11. A red warning light in compliance with Ch. 7 App. 5 Art. 6 must be fitted.
11.12. The Technical Regulations of any Championship or Series for any new design of Single Seater Racing Car are subject to approval and must be in compliance with the Vehicle Technical requirements published by the ASN.
12. Radios 12.1. The Provisions of App. 4 Arts. 4.12 – 4.17 of this Chapter apply.
13. Lap Timing signals 13.1. The Provisions of App. 4 Arts. 4.14 – 4.16 of this Chapter apply. 13.2. Vehicle Competition Numbers and Identification including Novices 13.3. Must be in accordance with App. 4 Art. 5 of this Chapter.
14. Miscellaneous.
14.1. All Vehicles must be fitted with at least one mirror of minimum surface area 50sq. cm securely mounted and positioned to give a clear view to the rear. The edges of mirrors must be protected by a suitable cover to reduce the possibility of injury in the event of an incident.
14.2. All Vehicles must be presented at Scrutineering with all steering mechanism suspension linkages and flexible brake lines in clean condition.
14.3. If a closed Vehicle or an open Vehicle required to run as‘ road going’ with a windscreen it must have an operative windscreen wiper.
14.4. If fitted with a towing ball-hitch must have it removed when competing.
14.5. The following parts of Chapter 7 remain unmodified in this section unless modified in the Official Documents:
a. b. c.
Suspension Transmission Cooling d. Exhausts.
Motorsport UK 2025 National Competition Rules Version 11
Chapter 12 Appendix 13- Competitors Vehicles Technical Regulations 430