CSA Air

CSA Air, Inc.
IATA ICAO Call sign
- IRO IRON AIR
Founded1998
HubsIron Mountain Milwaukee
Fleet size25
Destinations22
Parent companyAir T, Inc.
HeadquartersKingsford, Michigan, United States
Websitecsaair.com

CSA Air is a cargo airline based in Kingsford, Michigan, United States. It operates express cargo services in Michigan, Wisconsin, Indiana, South Dakota and Maine, operating 35 flights a day. Its main base is Ford Airport in Iron Mountain, Michigan and its air traffic control call sign Iron Air is derived from that city. It exclusively serves as an affiliate of FedEx Feeder, a regional service that operates as a subsidiary of FedEx Express.