Flight management system is the core

Аuthors

Groshev V. V., Zaitseva N. A.^*, Tumaev M. D.

Moscow Institute of Electro-mechanics and Automatics, 5, Aviation Lane, Moscow, 125319, Russia

*e-mail: n.zaytceva@aomiea.ru

Abstract

The article gives an idea of the main tasks solved by Flight Management System. As a part of modern airborne avionics systems, Flight Management System is the core, it uses the information from all navigation aids and data from aeronautical database. That is an essential requirement for automatic flight management. Connection with the aeronautical database allows to make a flight plan. Control signals for transition from one segment to another and for output to Flight Control System are generated in order to follow that flight plan. All that allows to follow strictly Standard Instrument Departure (SID) and Standard Instrument Arrival (STAR) Charts specified in the database. Aeronautical database contains information about the waypoints (latitude, longitude and altitude coordinates), the speed at which they are passed through, the segments that form departure and arrival charts. Twenty-three segments are standardized for the departure and arrival. Positioning uses combined information from the inertial system and the satellite navigation system, as well as the VOR and DME short-range radio navigation systems using a Kalman filter. Integrated information processing solves the problem of selecting a set of navigation aids that would ensure the highest navigation accuracy. The presence of various radio-technical equipment on board makes it possible to arrange integrated information processing in such a way that the FMS output data meets the requirements for accuracy and integrity of navigation information, regardless of the flight phase or the aircraft mission. These requirements are defined in the Performance-based Navigation (PBN) Manual. ICAO 9613. Tougher requirements on the accuracy of holding the assigned track, caused by high air traffic density, flight duration and special missions, also required the solution of the 4D navigation problem, that is, calculation of the assigned time of arrival at the assigned waypoint. 

Keywords:

Flight Management System, Standard Instrument Departure, Standard Instrument Arrival, 4D navigation, flight plan

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