Quad City Seaplane Service-- Floatplane instruction - The Quad City Seaplane base is located on the Rock River in Moline, IL.  We have been in business for over 20 years, and provide a full array of services to meet every pilots need (floatplane training, aerial tours and seaplane ratings).  Explore our web-page, contact us, then come on by and explore the Mississippi and Rock river like never before.