All the services featured in the ground support system are pitbased solutions, burried in the apron. All pits are hot dipped galvanized for 100 years of in ground service. The Combiboxes are load-tested and dimensioned to take the full weight of any ramp vehicle. Each system may be connected to a host system for collecting data and reporting operating status.  The system is monitored and consumption data is collected as to provide on-line consumption reports for easy invoicing.

» 400Hz Electricity System The 400Hz power Combiboxes are designed and manufactured for supply of 400Hz electricity to an aircraft parked at an airport. The Combi Box for 400 Hz contains 10 meter lightweight cable with connector. Pushbuttons and indicator lamps are placed in the lid. The lid is equipped with a flap, enabling closure of the lid while the cable is connected to the aircraft.

» Preconditioned Air System The Combi Box Pre-conditioned Air boxes for airports are designed and manufactured for supply of pre-conditioned air to an aircraft parked at an airport. From The Air Handling Unit (AHU) air is supplied trought an underground ductsystem to the box, which contains a 10 meter 300 mm heavy-duty hose and an aircraft 8' connector.

» Fresh Potable Water System The Combi Box Fresh Water boxes for airports is designed and manufactured for supply of fresh water to an aircraft parked at an airport. Water supply to the box will normally come from an underground pipe connected to the inlet valve in the box whereas the aircraft will get the water supply through a filling hose, placed in the box. Using a radio remote control the operator starts the filling without returning to the box.

» Jet Fuel Supply System The Jet fuel Combi Box for airports is burried in the apron and connected to the airports fuel system via underground fuel lines. The fuel is then transfered from the box to the aircraft by a fuel dispenser truck.

» Aircraft Lavatory Maintenance System  The Combi Box Fresh Lavatory boxes for airports is designed and manufactured for servicing the lavatories of an aircraft parked at an airport. Vacuum for emptying the lavatories and water and chemicals for flushing and desinfection will normally come from an underground pipe system connected to the inlet pipes in the box whereas the aircraft will serviced through a vacuum hose and a water supply hose, placed in the box.