Abu Dhabi Aviation Co. (Arabic: شركة طيران أبوظبي) (ADX: ADAVIATION) is an airline based in Abu Dhabi, United Arab Emirates. It serves oil-fields and economic facilities in the United Arab Emirates and other Arab states. Its main base is Abu Dhabi International Airport. Abu Dhabi Aviation is the largest commercial helicopter operator in the Middle East, operating and owning 58 aircraft in total comprising 51 helicopters. (16 AgustaWestland AW139s, 22 Bell 412s, 12 Bell 212s, 1 EC-135), and 7 fixed-wing aircraft (DHC-8). The company employs over 1000 personnel, including 130 pilots and 250 engineers. The bulk of the company's business activity is in support of Abu Dhabi offshore oil and engineering and construction companies. Other business activities include medical evacuation, aerial cons