Ostfriesische Lufttransport (OLT) is a German regional airline headquartered in Emden, Germany. It operates scheduled and charter flights within Germany, as well as freight transport services. The airline was founded in 1958 and initially operated as a helicopter operator. In the 1990s, it expanded its operations to include fixed-wing aircraft and began offering passenger services. OLT focuses on serving smaller airports in northwest Germany and nearby regions.