This European Standard specifies the technical requirements to minimise the hazards listed in clause 4 which can arise during the commissioning, operation and maintenance of conveyor belt vehicles when carried out in accordance with the specifications given by the manufacturer or his authorised representative. It also takes into account some requirements recognised as essential by authorities, aircraft and ground support equipment (GSE) manufacturers as well as airlines and handling agencies. This standard applies to: - self-propelled conveyor belt vehicles with or without driver's accommodation; - self-propelled conveyor belt vehicles equipped with a van body; - towed conveyor belt vehicles, Intended to be used for manual loading/unloading of aircraft. Examples of typical designs of conveyor belt vehicles are given in annex A. This standard does not apply to pneumatic systems and to cableless remote controls. This standard does not establish requirements for hazards caused by noise and vibration. This Part of EN 12312 is not applicable to conveyor belt vehicles which are manufactured before the date of publication of this standard by CEN. This part of EN 12312 is intended to be used in conjunction with EN 1915-1, EN 1915-2, EN 1915-3 (for vehicles) and EN 1915-4.