The terms “certificate of authorization” or “certificate of waiver” mean a Federal Aviation Administration (FAA) grant of approval for a specific flight operation. COA is an authorization issued by the Air Traffic Organization to a public operator for a specific Unmanned Aircraft activity. After a complete application is submitted, the FAA conducts a comprehensive operational and technical review. If necessary, provisions or limitations may be imposed as part of the approval to ensure the Unmanned Aircraft can operate safely with other airspace users.