Mandatory ICAO Charts, Conditionally required ICAO Charts and Non-mandatory ICAO Charts. Among ICAO Charts again there are three categories i.e. However certain non-ICAO Charts are also produced to meet internal requirements. The aeronautical charts produced by AAI are mainly based on the Standards and Recommended Practices of ICAO. On the other hand, AAI collects the field data also through its own sources. The major difference in production of charts by Jeppesen is that they do not conduct the field survey to collect the data, but gather the information from various authentic sources. For example m/s Jeppesen of Germany is producing aeronautical charts for sale to pilots and airlines. In some other countries, besides the Government Organisations, the job is also done by private agencies. AAI is responsible for surveying and producing aeronautical charts for all the civil airports in the country belonging to AAI, and even for certain other airports as per requirement.
In India, Survey and Cartography Unit of Airports Authority of India (AAI), New Delhi has mandate to survey civil aerodromes and other areas for production of Aeronautical Charts. Production of charts is a complex and lengthy process, as it involves not only designing, drawing or tracing the charts, but may require the collection of basic field survey data of the area. International Civil Aviation Organisation (ICAO) is the prime agency for regulating the design and production of aeronautical charts and the Standards and Recommended Practices and guidelines in this regard are issued by ICAO vide Annex-4 and Doc 8697 (Aeronautical Chart Manual). This can be achieved by having an efficient system of Aeronautical Chart production.Īeronautical Charts are primarily meant for the use of Civil and Defence Pilots, Airlines, Air Traffic Controllers, Planning & Engineering, Communication officials, Search & Rescue Personnel, Fire Section, Meteorological and various other organizations. The increasing speed and operating altitude of modern aeroplanes, coupled with increasing congestion of air traffic necessitate availability of precise and up-to-date charts. The main purpose of an Aeronautical Chart is to contribute to the safety, regularity and efficiency of International Air Navigation. The art of production of aeronautical charts is known as Aeronautical Cartography
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