| 摘要 |
PROBLEM TO BE SOLVED: To provide a sling system by helicopters capable of easily executing the sling transport of cargo by plural helicopters in safety. SOLUTION: Wires 4 are respectively suspended from plural helicopters to hang a spreader bar 5, sling wires 6 are suspended from the spreader bar 5 to hang the cargo 8, one helicopter is applied as a master helicopter 1, the other is applied as a slave helicopter 2, the master helicopter 1 has a master controller 23 storing a program of the sling flight and controlling the flight of a self-helicopter, the slave helicopter 2 is provided with a slave controller controlling the flight of the self-helicopter on the basis of the program, and the master controller 23 and the slave controller are connected through an information transmitting means 33 to control the sling flight by the master helicopter 1 and the slave helicopter 2.
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