Black nautical icons for radar, lighthouse, porthole, and sextant on white

Nautical line icons set with radar, lighthouse, porthole and sextant

A clean black line illustration presents four nautical and navigation icons arranged in a balanced 2x2 grid on a white background. The set includes a radar screen with concentric circles and signal marks, a lighthouse above wave lines, a round porthole window, and a sextant with measuring arc and telescope. Strong outlines and ample negative space give the graphic a crisp, modern look suited to web design, presentations, and educational materials. The simple monochrome palette keeps the symbols easy to read at small sizes, while the evenly spaced layout feels orderly and technical. No shading or texture is used, emphasizing clarity and vector-style precision. The composition works well for themes involving marine navigation, nautical safety, and travel-related iconography.