The Emergency support appliance can carry a rapidly inter-changeable range of incident support equipment. The primary role of the appliance is to prevent environmental damage and to assist salvage operations at incidents.

Typical equipment carried includes:

• Electrical generators.
• Heavy-duty wet vacuums.
• Submersible pumps.
• Low and high level flood lighting.
• Absorbent materials.
• Various tool kits.

Operational Support Units carry a crew of 2 or 3 Fire fighters and are based at Thetford and Fakenham Fire Stations.