Allegan City Airport (Padgham Field) (ICAO: K35D, FAA LID: 35D) is a general aviation airport located 1 mile (2 km) east of Allegan in Allegan County, Michigan, United States. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a local general aviation facility. The airport offers skydiving, public telephone, weather briefings, and 100LL fuel servicing. It hosts significant flight training operations.