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

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Part <strong>II</strong> — Section 2, Chapter 6 <strong>II</strong>-2-6-7<br />

1/2W<br />

FAF<br />

1/2W<br />

Y = Longitudinal tolerance <strong>of</strong> MAPt<br />

X = Transitional tolerance<br />

1/2 W = (1.9 + 0.1D) km [(1 + 0.1D) NM], where<br />

D = distance from antenna in km [ NM ]<br />

(maximum 37 km [ 20 NM ])<br />

D 1<br />

MAPt<br />

Y<br />

15°<br />

0to4km<br />

(0 to 2NM)<br />

Figure <strong>II</strong>-2-6-3. Surveillance radar approach<br />

X<br />

___________________<br />

D 2Radar<br />

antenna<br />

23/11/06

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