TSA Model manufactures high quality, large scale remote control helicopters with a focus on creating unique and stylish products, while striving towards the endless goal of perfection. Using state of the art engineering and technology, combined with the latest in precision machinery, TSA is committed to producing excellence. So whether you are a seasoned veteran with years of experience, or are looking to expand your flight skills with a powerful 700 class machine, TSA helicopters will satisfy your need for perfection.