Simulating the most challenging shipboard working conditions, Appleton Marine tests all functions and capabilities to the limits of their design specifications. A Test Certification Report is supplied with all equipment, verifying the performance and overload levels attained. Our crane and winch test facilities allow for full functional and overloading testing of our products in a safe environment. We utilize calibrated tools, equipment and test weights. We have accommodations for customer and regulatory agency witness of testing as required.