 It retains the 500's airframe and PW610F engines, but incorporates an improved avionics package, including satellite phones, autothrottles, synthetic vision and enhanced vision systems, as well as anti-skid brakes.In May 2012 the company signed a deal with Sikorsky subsidiary PZL Mielec to have the Polish company build the Eclipse 550 fuselage, empennage and wings, while final aircraft assembly will be carried out by Eclipse Aerospace at their Albuquerque, New Mexico plant.The initial price for the 550 in 2011 was US$2.695M and production was intended at that time to be 50–100 aircraft per year.