Changhai Dachangshandao Airport (Changhai Dachangshandao Airport, IATA: CNI, ICAO: ZYCH), referred to as "Changhai Airport", is located in Feixiang Street, Yangjia Village, Dachangshan Island, Changhai County, Dalian City, Liaoning Province, China, facing the north, east and south Sea, 9.5 kilometers away from Changhai County People's Government in the west, is a 1B-level island feeder airport and the smallest civil aviation airport in China (excluding Hong Kong, Macao and Taiwan)   .
In April 1987, the Dachangshan Island Airport started construction; on November 8, 1988, the Dachangshan Island Airport was completed and opened to navigation, which is the first county-level civil airport in China; in 1996, the Dachangshan Island Airport was suspended; in 2008 On January 25, Dachangshan Island Airport officially changed its name to Dalian Changhai Airport; on February 2, 2008, Dalian Changhai Airport resumed flights; in 2009, Dalian Changhai Airport officially changed its name to Changhai Dachangshan Island Airport   .
As of August 2020, the terminal area of ​​Changhai Dachangshan Island Airport is 844 square meters, and there are 2 Class B seats on the civil aviation apron; the runway is 800 meters long and 24 meters wide; the largest available aircraft type is Yun Y- 12   .
In 2021, Changhai Dachangshan Island Airport will handle a total of 164 passengers, a year-on-year decrease of 93.0%, ranking 248th in the country; aircraft takeoffs and landings will be 44, a year-on-year decrease of 83.3%, ranking 248th in the country   .