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

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Part I — Section 4, Chapter 3 I-4-3-15<br />

45°/180°procedure turn<br />

Example <strong>of</strong> an outbound flight<br />

timed from a facility<br />

6s<br />

6s<br />

6 s<br />

1to3min<br />

80°/260°procedure turn<br />

Example <strong>of</strong> an outbound flight<br />

timed from a facility<br />

Base turn<br />

Racetrack<br />

1to3min<br />

5s 6s<br />

10 s<br />

10 s<br />

1 to 3 min<br />

5s<br />

5s<br />

1to3min<br />

10 s<br />

1min15s(CAT C,D,E)<br />

5s<br />

5s<br />

10 s<br />

5 s<br />

(1 min CAT A & B & H)<br />

5 s<br />

10 s 5s<br />

Facility intersection tolerance<br />

VOR = 4.5°, NDB = 6.2°<br />

Note. _ Commencement <strong>of</strong> outbound timing; outbound timing should<br />

start from abeam the facility or on attaining the appropriate outbound<br />

heading, whichever comes later.<br />

Figure I-4-3-8. Application <strong>of</strong> flight technical tolerance<br />

— — — — — — — —<br />

tolerance<br />

<strong>of</strong> the fix<br />

FIX<br />

6s<br />

6s<br />

5s<br />

5s<br />

tolerance<br />

<strong>of</strong> the fix<br />

The flight technical tolerances shown on this figure are:<br />

— outbound tolerance (+/–10s)<br />

— establishment <strong>of</strong> bank angle (5s)<br />

— pilot reaction time (6s)<br />

FIX<br />

Start <strong>of</strong> turn defined<br />

by a fix.<br />

6s<br />

6 s<br />

5s<br />

5s<br />

5s<br />

End <strong>of</strong> outbound leg limited by a radial or DME<br />

distance from a suitably located facility ( see Section 2,<br />

Chapter 2, 2.4.3, "Fixes for VOR or NDB with DME". )<br />

5 s<br />

10 s 5 s<br />

1min15s(CATC,D, E)<br />

(1 min CAT A&B& H)<br />

End <strong>of</strong> outbound leg defined by a radial or DME<br />

distance from a suitably located facility (see Section 2,<br />

Chapter 2, 2.4.3, "Fixes for VOR or NDB with DME".)<br />

intersecting<br />

tolerance<br />

23/11/06

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