Helicopter Bell 407 Serial 54138 Register N494ZB C-GWPF used by Northrop Grumman ,Bell Helicopter Canada. Built 2013. Aircraft history and location Aircraft History C-GWPF Bell Helicopter Canada Bell Canada Jun/Aug 2013, test serial C-GFNL N494ZB Northrop Grumman 2013-10Northrop Grumman Systems Corp from Oct13 Send Updates Use APP to upload photo @ (optional) When Now? / / Send