During refueling or defueling, fuel handling vehicles shall be placed so as to be readily removable in event of fire (i.e., to permit direct driving away from the loading position). No more than one refueler shall be positioned on each wing of an aircraft. When high-capacity aircraft are refueled, additional refuelers shall be parked or positioned at least 100 feet from the aircraft served and then only in areas approved by the commission or manager.
(Res. No. 149 75-76 (part), Res. No. 68 86-87 §1 (part))