HelicoptersPhotosTracking Photos Aero Med Spectrum Health State of Michigan Sikorsky S-76C N176AM S-76C++, test serial N45147; Spectrum Health Hospitals at Grand Rapids, MI from Jun07; Aero Med, pictured Sikorsky S-76C N176AM S-76C++, test serial N45147; Spectrum Health Hospitals at Grand Rapids, MI from Jun07; Aero Med, pictured