Ferdinand Lumban Tobing Airport
Ferdinand Lumban Tobing Airport ( also known as "Pinangsori Airport" ) is an airport serving the city of Sibolga in the North Sumatra province of Indonesia . 
<triplet> Ferdinand Lumban Tobing Airport <subj> Sibolga <obj> place served by transport hub <subj> Indonesia <obj> country <triplet> Sibolga <subj> North Sumatra <obj> located in the administrative territorial entity <subj> Indonesia <obj> country <triplet> North Sumatra <subj> Sibolga <obj> contains administrative territorial entity <subj> Indonesia <obj> country <triplet> Indonesia <subj> North Sumatra <obj> contains administrative territorial entity