A mounting device for at least one of mounting a cable device on an electric cable of an electric grid, and dismounting said cable device from said electric cable, said cable device comprising a slot adapted to engulf said electric cable within said cable device, said mounting device comprising:
- one or more manipulating devices arranged to mount said mounting device on top of said flying vehicle, and to mount said cable device above said mounting device, wherein said slot being opened upwards to enable said electric cable to be inserted into said slot from above;
- and
- a navigation part operative to perform at least one of:
- enable a user to navigate said flying vehicle so as to direct said slot of said cable device to said electric cable;
- and
- automatically navigate said flying vehicle to direct said slot of said cable device to said electric cable.