Marenco Swisshelicopter is still preparing to fly its SH09 SKYe single-turbine helicopter. The company is finalizing testing of the major systems, a spokesman told AIN. “We have done a number of trials on the aircraft,” he said. In addition, the “whirl tower” test bench is running at full speed with the main rotor head and gearbox. Certification of the 5,840-pound-mtow rotorcraft is expected in the second half of next year.