Page 281 - Planning and Design of Airports

242 Airp o r t D e sign

Dry Runways
Regular Exits High Speed Exits
Distance from
Threshold to Exit, ft Aircraft Class * Aircraft Class *
A B C D A B C D
0 0 0 0 0 0 0 0 0
1000 6 0 0 0 13 0 0 0
2000 84 1 0 0 90 1 0 0
3000 100 39 0 0 100 40 0 0
4000 98 8 0 98 26 3
5000 100 49 9 100 76 55
6000 92 71 98 95
7000 100 98 100 100
8000 100
Wet Runways
Aircraft Class *
Distance from
Threshold to Exit, ft A B C D
0 0 0 0 0
1000 4 0 0 0
2000 60 0 0 0
3000 96 10 0 0
4000 100 80 1 0
5000 100 12 0
6000 48 10
7000 88 64
8000 100 93
9000 100

∗ The aircraft class is the classification of aircraft based upon maximum certified takeoff
weight [5].
Source: Federal Aviation Administration [18].

TABLE 6-25 Percentage of Aircraft Exiting at Exits Located at Various Dry
Runways

be located about 3000 ft from the arrival threshold and 2000 ft from
the stop end of the runway. To accommodate the average mix of air-
craft on runways longer than 7000 ft, intermediate exits should be
located at intervals of about 1500 ft. At airports where there are extensive