Minimalist heliport symbol: a circle outline enclosing a bold "H" centered within. Monochrome black on white, clean vector lines, flat design. Circle and "H" use equal stroke weights for visual harmony; "H" is in bold s, perfectly centered. No shading, gradients, or extra elements. SVG-ready vector with crisp edges and scalable resolution; ideal for signage and icons. Suggested viewBox: 0 0 100 100, stroke width 6, ensuring legibility at small sizes. High-contrast, simple, and universally recognizable. a imagem precisa ter linhas retas sem arresstas

The image shows a black and white logo with the letter 'H' in the center, set against a white background.