1425. Liability of owner.

The liability imposed by the statutory provisions relating to nuisance, trespass and surface damage1 is placed upon the owner of the aircraft, but where the aircraft concerned has been bona fide demised, let or hired out for any period exceeding 14 days to any other person by the owner, and no pilot, commander, navigator or operative member of the crew of the aircraft is in the owner's employment, those provisions have effect as if for references to the owner there were substituted references to the person to whom the aircraft has thus been demised, let or hired out