A-Zai

Create an icon of a [HELICOPTER] in a bold, isometric vector style. Use solid, high-contrast colors including yellow, pink, aqua, and black. The object should have simple geometric shapes with thick black outlines and sharp angles. Apply a flat shading style with no shading, no gradients and no textures. Include a purple background and a clean shadow to add dimension. Keep the icon centered. No text, no extra effects, and no realistic details. Vector friendly. Square aspect ratio.