Adaptable mounting system for mounting one or more accessory devices to a helmet

A mounting system for mounting one or more accessory devices to a helmet shell of a helmet, the helmet shell having an exterior with a front portion, a back portion, and two opposite sides that extend between the front portion and the rear portion, the mounting system comprising:

• a pair of mounting rails, each of the mounting rails configured to be attached on a respective one of the two opposite sides that extends between the front and back portions of the exterior of the helmet shell so that front-most parts of the mounting rails are spaced apart from each other,
• wherein each of the mounting rails includes one or more accessory connection ports, the one or more accessory connection ports being configured to provide electrical connection to one or more accessory devices attached thereto;
• a coupling part having an adjustable length, the coupling part comprises a mechanical part and an electrical part;
• and
• a clamping arrangement, the clamping arrangement configured to be attached on the exterior of the helmet shell between the pair of mounting rails and substantially in the back portion of the helmet shell, wherein the clamping arrangement comprises a control interface,
• wherein the clamping arrangement is coupled to at least one of the mounting rails via the coupling part, the adjustable length of the coupling part is configured to provide attachment of the mounting system to helmet shells having various properties,
• wherein the coupling part is configured to provide electrical connection between the control interface of the clamping arrangement and the one or more accessory connection ports of the at least one of the mounting rails to provide the electrical connection to the one or more accessory devices attached thereto.