Abstract: ICAO principles – RNP (Required Navigation Performance) allow for improving the accuracy of aircraft positioning in space and improving separation minima, which can lead to an increase in the capacity of the airside of the airport and the airspace around the airport. The paper analyzes values relating to the accuracy of position determination using GNSS / EGNOS systems and the fulfillment of criteria specified in certification procedures in the context of the impact on increasing airport capacity through the application of smaller separations between aircraft. In 2010, EGNOS will become an operational system supporting GPS and will allow for the implementation of position determination accuracy better than RNP-0.3. The methods developed as part of the conducted research will allow for the preparation of analyses of airport throughput growth performed using the developed methodology.1. GENESIS AND REQUIREMENTS OF RNP AND PBN
As a result of the work of the FANS (Future Air Navigation Systems) Special Committee, ICAO developed and published a concept for the technical support of civil aviation communication in the field of navigation services. As part of the FANS work, RNPC (Required Navigation Performance Capability) [1] was defined – a parameter describing the horizontal deviation of the aircraft’s position from the intended route and the position accuracy along the intended flight path. During further work within ICAO, after taking into account the comments and suggestions of international working groups, the aforementioned parameters were published as RNP (Required Navigation Performance).
RNP requirements as general requirements were subsequently supplemented by ICAO in detailed documents (Annex 10 to the ICAO Convention) and published as
SARPs – Standards and Recommended Practices and specifications regarding onboard equipment.
The designation of individual types of navigation requirements
in a given airspace consists of the abbreviation RNP and a numerical value describing navigation accuracy.
PBN navigation has many advantages over currently used solutions based on specific navigation equipment (VOR/DME, ILS/DME, etc.), in particular:
− it reduces the number of designed and maintained flight routes based on specific routes (e.g. (…)
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Source: Logistyka Magazine