Z
22
7
B...
LANTAU ISLAND
A
NEW TERRITORIES
AREAS OF POTENTIAL HEIGHT LIMITATIONS
ZONE 1 - APPROACH AND DEPARTURE SURFACES. RESTRICTIONS VARY.
A
M
CHEUNG
CHAU
ZONE 2 - INNER HORIZONTAL SURFACE. STRUCTURES LIMITED TO 54.5 M AMSL.
ZONE 3 - CONICAL SURFACE
RESTRICTIONS VARY FROM 54.5 M
TO 159.5 M AMSL.
ZONE 4 - OUTER HORIZONTAL SURFACE.
STRUCTURES LIMITED IF HIGHER
THAN 30 M ABOVE LOCAL ELEVATION AND MORE THAN 159.5 AMSL.
Note
The principle of "shielding" will frequently permit structural heights in Zones 2, 3, and 4 to exceed the indicated limitations up to the height of nearby terrain.
Figure 14 - Areas of Potential Height Limitations
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