Referencing AC91-70B chapter 4, CPDLC and Automatic Dependent Surveillance-Contract (ADS-C) are widely used in oceanic and remote continental airspace and, have become required equipment to be assigned the most efficient routes across the _____ _________ ______ ________ , where ATC allows minimum separation between aircraft. Referencing AC91-70B chapter 3, Operators (other than GA operators) conducting flights in oceanic and remote continental airspace are required to have ________ approved by the Administrator. Your training programs will receive approval in conjunction with your company's certification and prior to our issuance of OpSpecs or MSpecs