Positioning reference system for an area for landing of a helicopter or a load suspended from a helicopter

摘要

A system is for a landing site for a helicopter or a load suspended from a helicopter, where landing positioning references are visualized as a luminous pattern on the landing site, and where the landing positioning references are formed as lines of light projected on the landing site from one or more light sources arranged at the landing site. A method is for forming of landing positioning references visualized as a luminous pattern on the landing site.