c.
It must be possible to enter or leave the Driver’ s seat without it being necessary to remove or detach any part of the Vehicle, other than the steering wheel, side impact protection systems, including those incorporating the head rest and any helmet / head protection or seat belts / harnesses.
d. The Driver, sitting in the driving position, must face forward.
Social Run. A non-competitive run for participants where there is no Competition purpose than driving in company to a predetermined point and which is not within the jurisdiction of the ASN.
Solar cell. A photo voltaic element which is used to convert solar radiation into electrical energy. Solar electrically powered Vehicle. Vehicles solely propelled by the direct or indirect conversation of solar energy. Solar module. Several solar cells making up one mechanical unit. Spaceframe Chassis. A structure constructed of individual tube components of any section. Spare Wheel. A wheel with tyre suitable to be used as a replacement for one in use on the Vehicle.
Specialist Production Car. A Vehicle of which at least 20 identical examples are manufactured within a twelve consecutive month period and fitted with a Series Production Car engine.
Special Stage. A Section of a Rally, on roads or land for which the Event has exclusive access, or on public roads closed by Government legislation specifically permitting closure for motor sport purposes, where the marking for maintaining a time schedule forms a part of the Competition.
Special Task. A specific competitive element of a Competition or Event as provided in the Official Documents.
Special Test. A Test, permitted in road Rallies which takes place off the Public Highway in which a Competitor is required to perform a manoeuvre or Series of manoeuvres set by the Organisers. If timed, the Competitor shall not be required to exceed an average speed of 30mph or 40mph for Endurance Road Rallies. No benefit shall accrue to any Competitor exceeding the set average speed. Road Rallies with Standard Sections timed to an accuracy of less than a minute may include one Special Test at the start of the itinerary, and one additional Special Test at the same location, which the first Competitor must start no earlier than midnight, and all Competitors must complete before 03:00.
Specialist Competition Engine. An engine, other than a Series Production Engine or motorcycle engine, of four cylinders and normally aspirated, no greater than 2,500cc.
Spectator Safety. The method of providing to the extent possible a relatively protected environment for the viewing of a Competition.
Speed Event. An Event in which cars run individually, even though two or more individual runs may be taking place concurrently, over a Course exceeding 200m in length and in which the relative performance of the Competitors is assessed by timing them over a given distance. The winner, or the most meritorious performer, is the Competitor who covers the distance in the least time. The term will include hill climbs, sprints, slaloms, drag Races, autocross and other similar Events.
Spill Kit. See Environmental Spill Kit. Spoiler. See Aerodynamic Device.
Sponsor. A person or body making a contribution, financially or in kind, towards the promotion of a Competition or of a Competitor.
Sports Car. A Vehicle having either a non-detachable or a detachable roof with no more than one door on each side and a minimum of two seats situated one on each side of the longitudinal centreline. The two seats must be crossed by the same transversal plane. Interior dimensions must be inferior to the minimum dimensions applicable to Touring Cars.
A minimum of 100 cars must have been constructed within a 12 consecutive month period.
Sports Racing Cars. Two-seater open or closed racing car, built for the sole purpose of taking part in Races on closed Circuits. Closed cars must have a windscreen and two doors( one on each side of the cockpit).
Stage Rally Championship Control Panel. A consultative body appointed from time to time by the ASN to discuss proposed Rally Championships and to inform but not to make decisions.
Standard Part. Is a part, the specification, features, location and method of operation of a part are as supplied when new by the motor manufacturer for the model and date of Vehicle as shown on the Entry.
Motorsport UK 2025 National Competition Rules Version 11
Chapter 1 Appendix 1- Definitions and Nomenclature 35