- top of triangle on the same vertical axis as top and bottom corners of diamond
- triangle and diamond in the right relative proportions
IN is called at >30 ^95, flying horizontally to centre window. At centre window a 45° sharp left turn is made. Fly a straight line until approximately <85 ^5 and then a sharp 135° turn into a horizontal line with wingtip about 2% off the ground. In centre window a diamond is flown with sides of 25% (so top of diamond is approximately at ^40). After turning at <>0 ^5 the second half of the horizontal line is flown. The triangle is finished by the 'top' turn at the same point as the first one. OUT is called after about 30% horizontal flight at <30 ^95.