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

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<strong>II</strong>-4-1-12 Procedures — <strong>Aircraft</strong> <strong>Operations</strong> — <strong>Volume</strong> <strong>II</strong><br />

23/11/06<br />

Feet Metres<br />

Holding level over high terrain or mountainous areas (see 1.3.12.2.2)<br />

2 000<br />

Holding pattern<br />

600<br />

Holding area<br />

Lowest holding level (see 1.3.12.2.1)<br />

1 000 300<br />

Holding pattern<br />

500 150<br />

0<br />

Buffer<br />

area<br />

9.3 km<br />

5.0 NM<br />

VOR<br />

Obstacle clearance surface<br />

Buffer<br />

area<br />

9.3 km<br />

5.0 NM<br />

Figure <strong>II</strong>-4-1-4. Minimum holding level as determined by the obstacle clearance<br />

surface related to the holding area <strong>and</strong> the buffer area<br />

Feet Metres<br />

Holding level over high terrain or mountainous areas (see 1.3.12.2.2)<br />

2 000<br />

Holding pattern<br />

600<br />

Holding area<br />

Lowest holding level (see 1.3.12.2.1)<br />

1 000 300<br />

Holding pattern<br />

0<br />

Buffer<br />

area<br />

500 150<br />

3.7 km<br />

2NM<br />

VOR<br />

Obstacle clearance surface<br />

Buffer<br />

area<br />

3.7 km<br />

2NM<br />

Figure <strong>II</strong>-4-1-5. Holding area up to 1 830 m (6 000 ft) for helicopters<br />

0<br />

0

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