Cecil Airport is a public airport and commercial spaceport located in Jacksonville, Florida, United States. It is owned by the Jacksonville Aviation Authority and services military aircraft, corporate aircraft, general aviation, and air cargo. The Florida Army National Guard's primary Army Aviation Support Facility and the U.S. Coast Guard's Helicopter Inter…Cecil Airport is a public airport and commercial spaceport located in Jacksonville, Florida, United States. It is owned by the Jacksonville Aviation Authority and services military aircraft, corporate aircraft, general aviation, and air cargo. The Florida Army National Guard's primary Army Aviation Support Facility and the U.S. Coast Guard's Helicopter Interdiction Tactical Squadron are also located here, the former operating CH-47 Chinook, UH-60 Blackhawk, UH-72 Lakota and C-12 Huron aircraft, and the latter operating the MH-65C Dolphin helicopter.