Chapter 3
Table 3.5. Clear Zones. (See note 1.)
Class A
Class B
Runway
Runway
Item
Item
No.
Description
Requirement
Remarks
desirable, clearing and grading of the entire area is
not required. See AFI 32-7063and AFH 32-7084 for
acceptable land uses outside of the graded area. For
grading requirements, see items 4 and 5.
304.80 m
304.80 m Army airfields
2
Width at start
[1,000 ft]
[1,000 ft]
of Clear Zone
(adjacent to the
runway)
914.80 m Air Force airfields. Although desirable, clearing and
[3,000 ft] grading of the entire area is not required. See AFI
32-7063 and AFH 32-7084 for acceptable land uses
outside of the graded area. For grading
requirements, see items 4 and 5.
609.60 m Navy and Marine Corps (See P-80.3)
[2,000 ft]
See Remarks
Width of the Clear Zone is centered on and
measured at right angles to the extended runway
centerline.
Exceptions to these widths are permissible based on
individual service analysis of highest accident
potential area for specific runway use and
acquisition constraints. Refer to Figures 3.4, 3.5 and
3.6 Accident Potential Zone Guidelines.
3
Width at end of 304.80 m
304.80 m Army airfields
Clear Zone
[1,000 ft]
[1,000 ft]
914.40 m Air Force airfields
[3,000 ft]
304.80 m
848.56 m Navy and Marine Corps
[1,000 ft]
[2,784 ft] The clear zone has the same dimensions as the
approach-departure surface, as shown in Table 3.7.
The first 60.96 m [200 ft] of the clear zone is a
uniform 609.60 m [2,000 ft] in width, and which
point the variable width begins.
See Remarks
Exception to these widths is permissible based on
individual service analysis of highest accident
potential area for specific runway use and
acquisition constraints. Refer to Figures 3.4 (US
3-32
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