Page 232 - Planning and Design of Airports

Geometric Design of the Airfield 197

9,000 9,000
EXAMPLE:
TEMP. = 59°F CLIMB LIMITATION 8,600'
8,500 AIRPORT ELEV. = SL 8,000 8,500
RUNWAY LENGTH = 4,550'
6,000'
8,000 AIRPORT ELEVATION (FEET) CLIMB LIMITATION 7,700' 4,000 8,000
RUNWAY LENGTHS (FEET) 7,000 6,000 4,000 2,000 7,000
7,500
7,500
8,000
6,500
6,500
6,000
6,000
SL
5,500
2,000 AIRPORT ELEVATION (FEET) 5,500
5,000 5,000
SL
EXAMPLE:
4,500 4,500
TEMP. = 100°F
AIRPORT ELEV. = 1,000'
4,000 RUNWAY LENGTH = 7,550' 4,000
40 50 60 70 80 90 100 110 40 50 60 70 80 90 100 110
Mean Daily Maximum Temperature of Hottest Month of the Year in Degrees Fahrenheit
75 percent of feet at 60 percent 75 percent of feet at 90 percent
useful load useful load
FIGURE 6-14 Seventy-fi ve percent of fl eet at 60 or 90 percent useful load.

CLIMB LIMITATION 11,000' CLIMB LIMITATION 11,000'
11,000 11,000
10,500 10,500
10,000 10,000
8,000 6,000
9,500 9,500
9,000 6,000 4,000 9,000
RUNWAY LENGTH (FEET) 8,000 4,000 2,000 AIRPORT ELEVATION (FEET) 8,000 RUNWAY LENGTH (FEET)
8,500
8,500
7,500
7,500
SL
7,000
7,000
6,500
6,000
6,000 2,000 6,500
SL
5,500 AIRPORT ELEVATION (FEET) 5,500
5,000 5,000
EXAMPLE: EXAMPLE:
4,500 TEMP. = 59°F TEMP. = 100°F 4,500
ELEV. = 2,000' ELEVATION = 3,000'
RUNWAY LENGTH = 5,000' RUNWAY LENGTH = 10,500'
4,000 4,000
40 50 60 70 80 90 100 110 40 50 60 70 80 90 100 110
Mean Daily Maximum Temperature of Hottest Month of the Year in Degrees Fahrenheit
100 percent of feet at 60 percent 100 percent of feet at 90 percent
useful load useful load
FIGURE 6-15 Hundred percent of fl eet at 60 or 90 percent useful load.