What does "ETOPS" stand for in aviation?

"ETOPS" stands for "Extended-range Twin-engine Operational Performance Standards." This term is significant in aviation as it refers to regulations that allow twin-engine aircraft to fly routes that are further away from emergency landing airports than was previously permitted. The standards set forth the performance requirements for engines, the reliability of the aircraft systems, and the training of the crew to ensure safety during extended flights over oceanic or remote areas.

ETOPS means that an aircraft can be certified to operate effectively and safely on longer flights, enhancing the operational range of twin-engine jets. This certification reflects stringent evaluations of engine redundancy and the aircraft's overall operational reliability, thus allowing airlines to improve route efficiency and expand their service offerings. The focus on "extended-range" emphasizes the capability of these aircraft to perform reliably over challenging and longer distances than conventional operational standards would typically allow.