The "Air TransportAir-to-Air Refuelling and other Exchanges of Services" (ATARES) is a cashless exchange system for air transport services. 28 European and NATO nations are part of the multinational ATARES arrangement.

The exchange of services is based on the “Equivalent Flying Hour” (EFH): this reference is the cost price of one (1) C-130/C-160 flying hour. All other aircraft types offered in the framework of the ATARES arrangement are calculated against this C-130/C-160 reference.

This arrangement facilitates the mutual support through the exchange of services and it is the currency used among the EATC member nations. This cashless service enables nations to save on  outsourcing expenses and to optimize the aircraft load factor (less empty space). It can also give additional training opportunities to the nations.

ATARES is not based on a purely bilateral reciprocity but has to be seen in the global multinational framework. For example, ATARES offers the possibility…

… for the Dutch KDC-10 to execute an air-to air refuelling mission on behalf of Spain;
… in parallel Spanish KC130 offers a parachute drop mission to Germany;
… while German military personnel and Italian cargo are transported by a French A400M;
…Luxembourg Learjet executes an aeromedical  evacuation for a Belgian soldier wounded in crisis areas;
…Italian C27J transports a Dutch cargo;
…Belgian Embraer moves French soldiers;
…German A310 executes an aeromedical evacuation mission for Luxembourg.

 

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