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RNAV Training Manual - Keilir

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Objectives of the RNP concept<br />

Traditional procedure p design g <strong>RNAV</strong> procedures p ppre-RNP<br />

RNP procedure p design g<br />

Standard infrastructure of<br />

ground radio aids<br />

Aircraft carry a standardised<br />

suite of navigation receivers<br />

and instruments<br />

Procedure tolerances<br />

designed around these<br />

standards<br />

Proliferation of different <strong>RNAV</strong><br />

navigations systems<br />

Even within one type of aircraft<br />

and one make of avionics, a<br />

variation in the FMS or GPS<br />

software release installed can<br />

make an important difference to<br />

the system s capabilities for<br />

executing a particular<br />

procedure<br />

Procedure design increasingly<br />

complex and restricted<br />

Standard performance<br />

specifications established:<br />

RNP-X<br />

Procedure tolerances<br />

designed around these RNP-X<br />

standards<br />

Navigation and autopilot<br />

systems certified to RNP-X<br />

criteria<br />

RNP is a standard interface between the complex p worlds of IFR airspace p<br />

and procedure design, avionics and autopilot design/certification and the<br />

development of flight training and operating procedures<br />

The new PBN model aims to further improve upon the benefits of the RNP<br />

concept<br />

P<br />

30

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