Abstract: The installation comprises a screen (1) of large size on which varying images are displayed representing a fire in a sequence under the control of a computer (9), the person (P) performing the exercise having available modified fire extinguisher devices (4) delivering a virtual jet whose point of impact on the screen (1) can be located, with corresponding information being transmitted to the computer (9). The person also has available associated devices (8) representing "influential" means liable to have an influence on the behavior of the fire, with handling thereof also causing information to be generated that is understood by the computer, and that is taken into account to cause the images displayed on the screen to vary accordingly. Equipment for fire-fighting, training and practice.