Standard Pattern Part. Replacement part that has a similar form shape and features as the standard part and is made using similar materials and manufacturing processes e. g. A Standard Part manufactured by a non-original equipment supplier that is fully interchangeable with the standard part.
Start. The Start is the moment when the order to Start is given to a Competitor or Competitors, or when a Competitor crosses the Start Line actuating automatic timing equipment.
Start Line. A Start Line is the first Control line on a Course. Station. A designated area in which the Vehicle may stop during the attempt to undergo authorised operations
Stewards of the Event. The senior judicial body at a Permitted Event. Where an ASN Steward is appointed then that person shall be the Senior Official of the Event.
Sub frame. Part fastened to the bodyshell or Chassis and / or ROPS to which are attached parts of the suspension and / or drive train.
Subjective Route Notes. Information relating to a Special Stage, prepared by an ASN registered supplier, which is available to all Competitors in an Event.
Suitability Check. A check of a person’ s previous criminal convictions / offending history, carried out by the Disclosure and Barring Service required for people working or volunteering in Regulated Activity in England, Wales or Northern Ireland, or Disclosure Scotland( under the Protection of Vulnerable Groups( PVG) Disclosure Scheme) for people working or volunteering in Regulated Activity in Scotland.
Supplementary Radio Points. The location of radio communication Controls that are supplementary to the Event Control.
Suspension. A person or body shall be said to be suspended when he has for a certain period been forbidden to take part in any Competition.
Suspension( Vehicle). The system( s) by which sprung movement is provided between the main Chassis structure and the road wheels. Suspension will be deemed to consist of all the partly sprung components that move relative to the main Chassis structure for the purpose of making connection between it and the entirely unsprung parts but not including components exclusively concerned with steering, braking and power transmission.
a.
b.
Suspension Mounting. the member or component attached to the Chassis on which the moving element( s) of the suspension is mounted.
Suspension Mounting Points. the point( s) on the Chassis and the mounting that forms the centres of attachment to the Chassis.
c. Suspension Locating Point. the point in the mounting about which the suspension articulates. d.
Suspension Bush. considered in relation to a suspension mounting or another suspension member it may have one of two forms:
e. a lining of an external element that rubs directly upon an inner element, f. a pre-manufactured and catalogued unit within which all articulation is provided. g.
h.
Suspension Bush Housing. the aperture in the suspension member that supports and locates the suspension bush. In the case of the MacPherson strut top mountings the bush housing is considered to be the suspension mounting.
Sprung Suspension. a suspension system with the weight of the Vehicle supported by discrete springing media none of which may come within the definition of a‘ Temporary Part’. Flexible mounting bushes are unacceptable as springing media.
Sweeper Cars. A Vehicle designated by the Organisers to pass through a Course or Stage after the last competing Car has passed through.
Target Time. The time specified in the Official Documents in which the Competitor should cover the distance between two consecutive Time Controls( or be subject to Penalty).
Motorsport UK 2025 National Competition Rules Version 11
Chapter 1 Appendix 1- Definitions and Nomenclature 36