Products Hazard. Products Hazard means the handling or use of (other than by the Insured) or the existence of any condition in an Aviation Product provided, as regards Coverage A - Aviation Products Liability - such Aviation Product has ceased to be in the possession or under the control of the Insmed; nevertheless it is understood and agreed that the indemnity provided by this Section shall not be invalidated when a completed Aircraft is temporarily returned to the Insured for modification or repair or whilst being flown by aircrew of the Insured after acceptance by a purchaser or lessee.