amphibious fire-fighting aircraft

Airplane with large water tanks; it is used to fight forest fires.

float

Watertight structure that prevents the airplane from tipping when it fills its tanks.

water-tank area

Area with a hatch that scoops up water from the surface of a body of water to fill its tanks so that it can dump the water in flight.

three-blade propeller

Propulsion device with three blades that are arranged around an axle and driven by a motor.