Sarasota, FL. – August 22, 2018, The Federal Aviation Administration (FAA) issued a Supplemental Type Certificate (STC) to Dukane Seacom for installation of the DK180 Underwater Locator Beacon (ULB) on the following platforms: Boeing 737, 747, 767, 777, 787, and Airbus A320, to comply with the internationally mandated installation of a low frequency ULB on aircraft that fly extended routes over water by December 31, 2018.