Lockheed Martin and AgustaWestland have conducted aerial refuelling tests with a UK Royal Air Force Merlin helicopter and Italian air force KC-130J tanker in support of their HH-71 offering for the US Air Force's CSAR-X combat search-and-rescue requirement.

 © AgustaWestland

The sorties were flown at 4,000ft (1,220m), with both aircraft travelling at 127kt (235km/h), up to the Merlin's maximum weight of 15,600kg (34,400lb), with both the BERP III rotor and the BERP IV planned for the HH-71.

 © AgustaWestland

Source: FlightGlobal.com