Exercises regulatory authority and safety responsibility over a complex of broad and varied general aviation organizations such as air taxis, executive and/or industrial operators, and agency when the activities monitored equate collectively to a major air carrier in terms of size and complexity of aircraft fleet employed, scope and technical complexity of operations, management sophistication, industry leadership, and public impact. Analyzes flight operations involving large fleets of turbojet aircraft engaged in large-scale passenger and freight service, or evaluates maintenance activities and complete aircraft overhaul facilities which are equipped and staffed to handle the latest and most sophisticated turbojet aircraft and associated systems.