Airport Gladwin Zettel Memorial is located in United States near the city of Gladwin. The international codes of Gladwin Zettel Memorial airport are ICAO: KGDW and IATA: GDW. Gladwin Zettel Memorial is located at latitude 43.9706 and longitude -84.475. The elevation above sea level is 774ft (236m). Local timezone at the airport is UTC/GMT -5:00 hours.