Helicopter Sikorsky S-76C Serial 760722 Register N547WM N2579P used by ERA Helicopters. Built 2008. Aircraft history and location Aircraft History N2579P ERA Helicopters S-76C++ ERA from Jun08/Oct10, reser N547WM N547WM ERA Helicopters 2010-10ERA from Oct10 Send Updates Use APP to upload photo @ (optional) When Now? / / Send