0.317 0.293 0.271 0.250 0.231 0.214
0.186
14000 0.139 0.185 0.172 0.197
14500 0.129 0.171 0.159 0.182
15000 0.119 0.158 0.147 0.169
TABLE 1
RELATIVE PRESSURES AND DENSITIES – NON S.I. UNITS
Air density at sea-level (barometer 29.92 in (1013.2 mbar) temp 15°C) is
0.002378 slugs/ft3
Altitude (Pressure Basis) ft Relative Pressures (I.C.A.O.) Relative Densities Associated with Conditions Stated
International Standard (I.C.A.O.) Tropical Maximum Temperate and Arctic Maximum Tropical and Temperate Minimum Arctic Minimum
0 1.000 1.000 0.906 0.951 1.138 1.291
1000 0.964 0.971 0.879 0.923 1.098 1.229
2000 0..930 0.943 0.853 0.896 1.058 1.169
3000 0.896 0.915 0.827 0.869 1.020 1.112
4000 0.864 0.888 0.802 0.843 0.983 1.058
5000 0.832 0.862 0.778 0.818 0.953 1.007
6000 0.801 0.836 0.754 0.793 0.923 0.970
7000 0.772 0.811 0.731 0.769 0.895 0.934
8000 0.743 0.786 0.708 0.745 0.868 0.899
10000 0.688 0.738 0.664 0.699 0.814 0.832
12000 0.636 0.693 0.623 0.656 0.763 0.779
14000 0.587 0.650 0.583 0.615 0.714 0.728
16000 0.542 0.609 0.545 0.575 0.668 0.680
18000 0.499 0.570 0.509 0.538 0.624 0.634
20000 0.460 0.533 0.475 0.502 0.583 0.590
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