HelicoptersC/NPhotosTracking Photos Allegheny Health Network LifeFlight State of Pennsylvania Eurocopter EC145 N474LF West Penn Allegheny Health System Inc at Pittsburgh, PA from Feb12; WPAHS AHN LifeFlight , pictured Eurocopter EC145 N474LF West Penn Allegheny Health System Inc at Pittsburgh, PA from Feb12; WPAHS AHN LifeFlight , pictured Eurocopter EC145 N575LF WPAHS AHN LifeFlight, pictured Eurocopter EC145 N575LF WPAHS AHN LifeFlight, pictured McDonnell Douglas MD900 Explorer N900LF WPAHS AHN LifeFlight; pictured unk; McDonnell Douglas MD900 Explorer N900LF WPAHS AHN LifeFlight; pictured unk;