108.653—Helicopter facilities.
(a)
Each helicopter fueling facility must be marked adjacent to the fueling hose storage: “WARNING—HELICOPTER FUELING STATION—KEEP LIGHTS AND FIRE AWAY”.
(b)
Each storage tank for helicopter fuel must be marked: “DANGER—FLAMMABLE LIQUID”.
(c)
Each access to a helicopter landing area must be marked: “BEWARE OF TAIL ROTOR”.
(d)
Each marking required by this section must be in letters at least 7.5 centimeters (3 inches) high.