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Basics of RNP

Basics of RNP. Outline. What is RNP? Why implement RNP? What does it mean for communities?. What is RNP?.

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Basics of RNP

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  1. Basics of RNP

  2. Outline • What is RNP? • Why implement RNP? • What does it mean for communities?

  3. What is RNP? Required Navigation Performance (RNP) is a navigation method that uses the aircraft’s flight management system and satellite positioning to fly a precise three-dimensional path in the sky. RNP makes it easier to design safe efficient, predictable routes. It is being used to update approach paths to airports for appropriately equipped aircraft.

  4. What is RNP? • RNP reduces the need for aircraft to navigate between ground-based navigational aids. • RNP is implemented using Transport Canada-approved criteria. • RNP has a redundant monitoring and reporting system that ensure that aircraft positioning is accurate.

  5. What is RNP? • Watch the summary video:

  6. Why implement RNP? • Reduces track miles for arriving flights. • Reduces flight time, fuel burn and related greenhouse gas emissions. • The predictable flight path and pre-programmed flight management system also reduces radio frequency congestion, requiring less interactions between the pilot and controller while maintaining safety. Teal: Standard flight path Green: Shorter RNP approach path

  7. Why implement RNP? • Required Navigation Performance is one of several new Performance Based Navigation (PBN) tools being implemented globally. • International Civil Aviation Organization (ICAO) has recommended that states develop a plan for the implementation of related technologies/procedures. Canada is supportive. • PBN is one of the tools being used to achieve targets outlined in Canada’s Action Plan to Reduce Greenhouse Gas Emissions from Aviation.

  8. Why implement RNP? • Can assist in designing flight paths in places where there are obstacles (e.g. mountains, towers) or restrictions. • Brings navigation methods in line with modern avionics onboard newer aircraft. • Helps address future growth of the industry (and capacity constraints at some of the world’s busiest airports). • Reduces the need to maintain or replace aging ground-based infrastructure. Pictured: An RNP approach designed to avoid restricted airspace.

  9. What does it mean for communities? Outcomes can include: • More precise navigation around obstacles. • Less variability of flight path location for those aircraft that are equipped to use RNP. (Roughly 25 per cent of aircraft are equipped today.) • Better avoidance of populated areas in some instances (though it is often not possible to entirely avoid populated areas). • A “cleaner” aircraft profile (less increases or decreases in throttle, reduced flap use) compared to other approaches.

  10. What is happening at our airport? To learn more, visit the Environment section on navcanada.ca.

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