Although most U.S. airports use the same three-letter location identifier for the FAA and IATA, Chester Airport is assigned SNC by the FAA but has no designation from the IATA (which assigned SNC to General Ulpiano Paez Airport in Salinas, Ecuador).
Chester | airport | John F. Kennedy International Airport | Los Angeles International Airport | London Heathrow Airport | Chester A. Arthur | West Chester, Pennsylvania | LaGuardia Airport | Sydney Airport | Miami International Airport | O'Hare International Airport | Hong Kong International Airport | Newark Liberty International Airport | Bishop of Chester | Daniel Chester French | Airport | San Francisco International Airport | Chester County, Pennsylvania | Brussels Airport | West Chester | Narita International Airport | Ninoy Aquino International Airport | Gatwick Airport | West Chester Township, Butler County, Ohio | Sultan Abdul Aziz Shah Airport | Singapore Changi Airport | Pittsburgh International Airport | Perth Airport | London Stansted Airport | Chester Cathedral |