Fuel spillage
46.  When the refuelling or defuelling of a relevant aircraft results in spilled fuel that is likely to endanger persons or property, the operator must ensure that —
(a)the refuelling or defuelling is stopped immediately;
(b)the emergency services, where available, are summoned;
(c)immediate action is taken to reduce the fire hazard; and
(d)the aircraft is moved clear of the contaminated area, with the agreement of any attending emergency services, before any of the aircraft’s engine is started.