Dr. Ferdinand Lumban Tobing Airport, coded FLZ/WIMS, serves the city of Sibolga in North Sumatra province, Indonesia. It is located in the Pinangsori area, situated several kilometers from the Sibolga city center on the western coast of Sumatra. The airport is named after Ferdinand Lumban Tobing, a notable Indonesian political figure from the region. It primarily handles domestic flights connecting Sibolga to major Indonesian hubs such as Medan and Jakarta. The facility is operated under Indonesia's national airport authority and serves as an important air link for the relatively remote coastal community of Sibolga, supporting regional connectivity in an area where overland travel can be time-consuming due to mountainous terrain.