Chapter 3
Table 3.3. Army Class A Runway Lengths.
Elevation
304 m
610 m
1,524 m
1,828 m
Temperature
Sea Level
[1,000 ft]
[2,000 ft]
[5,000 ft]
[6,000 ft]
15C
1,615 m
1,676 m
1,768 m
2,042 m
2,164 m
[60F]
[5,300 ft]
[5,500 ft]
[5,800 ft]
[6,700 ft]
[7,100 ft]
30C
1,707 m
1,798 m
1,890 m
2,286 m
2,438 m
[85F]
[5,600 ft]
[5,900 ft]
[6,200 ft]
[7,500 ft]
[8,000 ft]
40C
1,798 m
1,890 m
2,042 m
2,469 m
2,682 m
[105F]
[5,900 ft]
[6,200 ft]
[6,700 ft]
[8,100 ft]
[8,800 ft]
Notes:
1. Based on zero runway gradient and a clean dry runway surface for the most critical aircraft in the Army's
inventory to date (RC-12N).
2. Metric units apply to new airfield construction, and where practical, to modifications to existing airfields and
heliports, as discussed in Paragraph 1.4.4.
Table 3.4. Overruns.
Class A
Class B
Runway
Runway
Item
Item
No.
Description
Requirement
Remarks
1
Length
60 m
300 m
For Army and Air Force airfields
[200 ft]
[1,000 ft]
300 m
For Navy and Marine Corps airfields
[1,000 ft]
At outlying fields for T-34 aircraft, the required
overrun length is 150 m [500 ft].
See Remarks.
Length of stabilized or paved area to conform to
criteria of the individual DoD Service
component.
Sum of runway and
2
Total Width
shoulders
of Overrun
(Paved and
Unpaved)
Same as width of
Center on runway centerline extended
3
Paved
runway
Overrun
Width
Same width as runway
The outside edges of the overrun equal in width
4
Unpaved
shoulder
to the runway shoulder, is graded as overrun, but
Width of
not paved.
Overrun
3-29
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