big one

…

…pleasure flying, training, corporate travel and agricultural purposes like crop spraying). FAA's certification process begins with the design of an aircraft. FAA aeronautical engineers participate in the design process. They also oversee the construction and testing of the prototype. If all tests are successfully completed, FAA issues a "type certificate" for the new aircraft, followed by a "production certificate" once FAA is satisfied that the manufacturer has everything in place to properly duplicate the prototype.