The requirements for flight operations are laid down in the Air Navigation(Overseas Territories) Order principally within VII Air Operator’s Certificates, Part VI operation of Aircraft, Part IV Protection of Crew. The means of compliance with the AN(OT)O are variously contained in: OTAR Part 91 General Operating Instructions OTAR Part 92 carriage of Dangerous Goods OTAR Part 119 Air Operator Certification OTAR Part 121 Commercial Air Transport Operations – Large Aero planes OTAR Part 125 Complex General Aviation including Corporate Operations OTAR Part 135 Commercial Air Transport Operations – Helicopters and small Aeroplanes OTAR Part 137 Aerial Work And Aerial Application These OTARs are supported by aviation circulars OTACs providing further guidance on the requirements. The OTAR section of the site explains the status and operations of OTARS & OTACs in greater detail and contains the most up to date versions of the various documents for you to download. The regulations of flight operations activities has moved away from away from the traditional prescriptive modular approach to a more systemic approach in line with the approach of the International Civil Aviation Organisation and the International Air Transport Association. This was facilitated by the introduction of Quality Management System in commercial flight Operations organization, and will be enhanced in the near future with the introduction of the requirement for Safety Management System.