摘要:
Reception coupling unit (31) of a hose and drogue device (19, 21) of a tanker aircraft (13) with the probe (25) of a receiver aircraft (11) for in-flight refueling, comprising, respectively, first and second cooperating latching means (39, 29) that can be positioned in one or more latching states in a refueling operation, in which the reception coupling unit (31) comprises at least a detector (51, 71) of said latching states and at least a first indication means (55, 75) and/or a second indication means (65) for providing, respectively, to the pilot of the receiver aircraft (11) and/or to the crew of the tanker aircraft (13) indications that said cooperating latching means (39, 29) are positioned in one or more of said latching states, said detector (51, 71) being operatively connected, respectively, to a first indication means (55, 75) and/or to a second indication means (65).