To provide a hovercraft for applying agrochemicals to a paddy rice field and having extremely high controllability to surely handle the hovercraft by an operator of even a remote position.

The hovercraft 1 for agrochemical application is a radio-controlled hovercraft having an agrochemical tank 3 and an applicator 6 attached to a hovercraft body 2, and the applicator 6 and the hovercraft main body 2 are handleable by remote operation. A CCD camera 13 for displaying the image of the front-side of the boat on a monitor 22 of a controller 21 and an ultrasonic sensor 14 to sense the approach to a hazard closer than a preset limit distance and generate an alarming noise from a loudspeaker 23 on the controller 21 are placed above a fan duct 11 placed at the back of the hovercraft body 2.