static Vtx airport_vtx[] = {
{ -200, 0, -1600, 0, (-127 << 5), (-1023 << 5), 128, 128, 128, 255 },
{ -200, 0, 1600, 0,  (-127 << 5), ( 1023 << 5), 128, 128,   0, 255 },
{ 200, 0, 1600, 0,   ( 127 << 5), ( 1023 << 5),   0, 128,   0, 255 },
{ 200, 0, -1600, 0,  ( 127 << 5), (-1023 << 5),   0, 128, 128, 255 },
};