National Parks have rangers to look after designated areas. Rangers may have blue lights on their vehicles if they carry fire fighting equipment.
RE51 FRZ is a Land Rover Defender 90 TD5 used by the National Park Ranger Service. It carries a single rotating blue beacon on its roof. The vehicle carries essential fire fighting equipment such as fire beaters and collapsible water storage tanks. It also carries the ATV shown below.
This unregistered Agro Centaur is used by the National Park Ranger Service to carry fire fighting equipment to remote areas. It is almost identical to the ATV used by Derbyshire Fire and rescue service. Equipment that the ATV can carry includes portable pumps, hoses and river damming equipment.