Aligned to the body of the moving platform and independent of the movement of the platform.
Cartesian 3D CS. Axes: x,y,z. Orientations: starboard, forward, up. UoM: m.
An axis of a local or engineering grid 2D or 3D coordinate system for a moving platform. Starboard is 90 degrees clockwise from the Forward axis when viewed from above the plane containing the two axes.