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

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I-4-3-App C-32 Procedures — <strong>Aircraft</strong> <strong>Operations</strong> — <strong>Volume</strong> <strong>II</strong><br />

EXAMPLE (NON-SI UNITS):<br />

Specification: 1 min 45/180 procedure turn for 140 kt IAS, altitude 6 000 ft, ICAO wind, NDB facility.<br />

TAS = 140 × 1.1231 = 157 kt<br />

W=2× 6+47=59kt<br />

Fix error = 0.164 × 6tan40=0.83NM<br />

23/11/06<br />

Calculation (equations from a) above):<br />

xmax = 157(0.0165 × 1 + 0.0431) + 59(0.0165 × 1 + 0.0278) + 1.8 = 13.77 NM<br />

ymax = 157(0.002 × 1 + 0.022) + 59(0.002 × 1 + 0.0333) – 0.4 = 5.45 NM<br />

ymin = 157(–0.002 × 1 – 0.0137) + 59(–0.002 × 1 – 0.0594) + 0.9 = –5.19 NM<br />

Template plotting values (including addition <strong>of</strong> fix error <strong>of</strong> 0.83 NM):<br />

xmax = 14.6 NM<br />

ymax =6.3NM<br />

ymin = –6.0 NM

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