Helicopter Bell 427 Serial 56035 Register 5N-POL used by Nigerian Police. Aircraft history and location Aircraft History 5N-POL Nigerian Police 2012-03-14igerian Police, Bell serial N427DL w/o 14mar12 at Jenta Mangoro area of Jos, Plateau state, 7 fatalities Send Updates Use APP to upload photo @ (optional) When Now? / / Send