Martha's Vineyard Airport and Erie International Airport, are which class of airport?
Martha's Vineyard Airport: Martha's Vineyard Airport (IATA: MVY, ICAO: KMVY, FAA LID: MVY) is a public airport located in the middle of the island of Martha's Vineyard, three miles (5 km) south of the central business district of Vineyard Haven, in Dukes County, Massachusetts, United States. Erie International Airport: Erie International Airport Tom Ridge Field (IATA: ERI, ICAO: KERI, FAA LID: ERI) is a public airport five miles (8 km) southwest of Erie, in Erie County.
public