London Airspace Management Programme (LAMP)
RNAV is an advanced, highly accurate method of aircraft navigation. RNAV (Area Navigation) is the ability of an aircraft’s Flight Management System (FMS) to navigate by means of waypoints defined by latitude and longitude, rather than by conventional ground based navigational aids. Basic Area Navigation (B-RNAV ) has navigational accuracy ± 5 nautical miles either side of a routes centreline and its capability is mandated in UK controlled airspace currently.
The RNAV (technically known as RNAV1) has an accuracy of + 1 nautical mile either side of the centreline which allows better track keeping and as such the replicated route’s proposed for London City Airport are all designed to this specification.
From 4 September to 27 November 2014 London City Airport (LCY) consulted on proposals to modernise its flight paths, to allow the introduction of Area Navigation (RNAV), superseding the ground-based navigational systems used today. The consultation is a statutory requirement according to Civil Aviation Authority (CAA) regulations.
The London City Airport proposal sought to replicate the existing conventional flight paths with equivalent RNAV routes. The concept is not optional - a legal mandate is being introduced by the Civil Aviation Authority which will require all aircraft to be equipped to navigate using RNAV by November 2017, and a mandate for the airspace to provide RNAV routes is expected to be effective by winter 2019.
The proposed changes are key to achieving network efficiency and reducing delays in the south and are an important part of the London Airspace Management Programme (LAMP), NATS’ wider programme to modernise the air route system over London and the south east.
London City Airport has produced a Consultation Feedback Report based on the responses received during the consultation period. The Consultation Feedback Report can be found with the LAMP Consultation Document and the LAMP Consultation Document Appendices on this page.
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