Helicopter Eurocopter EC155B Serial 6610 Register 5N-BDL used by Bristow Helicopters Nigeria BHN. Built 2001. Aircraft history and location Aircraft History 5N-BDL Bristow Helicopters Nigeria Shell Nigeria op by Bristow 2001-2013, test serial F-WQDD Send Updates Use APP to upload photo @ (optional) When Now? / / Send