Embraer has announced that the Legacy 450 and 500 mid-jet programs are on pace and have completed all phases on schedule, including the joint definition phase that began last July. This phase involves Embraer engineers and their suppliers, finalizing the product definition and defining methods for meeting certification requirements. The man-machine interface advisory board validated the planes' designs and the cockpit design. The detail and certification phase is next and Embraer begins working with suppliers to detail the systems architecture and aircraft components before releasing drawings for the first cut and prototypes for ground and flight tests. The test pilots are currently validating the control laws for these jet's fly-by-wire system via flight simulations.