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Aircraft Operations. Volume II - Construction of Visual and Instrument ...

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Part <strong>II</strong>I — Section 1, Chapter 4 <strong>II</strong>I-1-4-11<br />

<br />

VOR/DME<br />

θ<br />

C<br />

Nominal track<br />

<br />

Figure <strong>II</strong>I-1-4-2. Calculation <strong>of</strong> waypoint tolerances<br />

___________________<br />

D : distance from the reference facility to the waypoint.<br />

D1: distance from the reference facility to the tangent point.<br />

D2: distance from the waypoint to the tangent point.<br />

D<br />

ADT<br />

Waypoint<br />

DTT<br />

AVT<br />

VT<br />

DT<br />

23/11/06

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