Dillingham Airfield (IATA: HDH, ICAO: PHDH, FAA LID: HDH) is a public and military use airport located two nautical miles (4 km) west of the central business district of Mokulēʻia, in Honolulu County on the North Shore of Oʻahu in the U.S. state of Hawaii. It is operated by the Hawaii Department of Transportation under a 25-year lease from the United States Army. The airport is primarily used for gliding and sky diving operations. Military operations consist largely of night operations for night vision device training.