AIRCRAFT IN-FLIGHT FUELLING SYSTEM Russian patent published in 1998 - IPC

FIELD: aircraft in-flight fuelling systems. SUBSTANCE: system includes filling hose with drogue mounted on tanker aircraft, device for retraction and extension of hose, flying boom mounted on receiving aircraft, drogue and flying boom position sensors and device for determination of relative position of drogue and flying boom including computer. According to invention, system is provided with first and second receivers of satellite navigation system with its antennae, first and second VHF radio sets mounted on tanker aircraft and receiving aircraft, additional antenna of satellite navigation system mounted on drogue and switch. Output of first receiver of satellite navigation system is connected with input whose first VHF radio set and its input is connected with output of switch whose first and second inputs are connected to satellite navigation system antenna of first receiver and to additional antenna of satellite navigation system; first and second inputs of computer are connected with output of second receiver of satellite navigation system and output of second VHF radio set respectively; its output is connected with indicator found in cabin of receiving aircraft. EFFECT: enhanced efficiency. 2 cl, 3 dwg