PDAS home > Contents > Standard Atmosphere > Table (US units)
Public Domain Aeronautical Software (PDAS)  

In this table from -1000 to 65000 ft in 1000 ft intervals

alt is altitude in thousands of feet.
sigma is density divided by sea-level density.
delta is pressure divided by sea-level pressure.
theta is temperature divided by sea-level temperature.
temp is temperature in degrees Rankine.
pressure is pressure in pounds per square foot.
dens is density in slugs per cubic foot.
a is the speed of sound in feet per second.
visc is viscosity in 10**(-6) slugs per foot-second.
k.visc is kinematic viscosity in square feet per second.
ratio is 10**(-6) times speed of sound divided by kinematic viscosity (1/ft)

alt sigma delta theta temp press dens a visc k.visc ratio -1 1.0296 1.0367 1.0069 522.2 2193.8 0.0024472 1120.3 0.376 1.54E-4 7.30 0 1.0000 1.0000 1.0000 518.7 2116.2 0.0023769 1116.5 0.374 1.57E-4 7.10 1 0.9711 0.9644 0.9931 515.1 2040.9 0.0023081 1112.6 0.372 1.61E-4 6.91 2 0.9428 0.9298 0.9863 511.5 1967.7 0.0022409 1108.7 0.370 1.65E-4 6.72 3 0.9151 0.8963 0.9794 508.0 1896.7 0.0021752 1104.9 0.368 1.69E-4 6.54 4 0.8881 0.8637 0.9725 504.4 1827.7 0.0021109 1101.0 0.366 1.73E-4 6.36 5 0.8617 0.8321 0.9656 500.8 1760.9 0.0020482 1097.1 0.364 1.78E-4 6.18 6 0.8359 0.8014 0.9588 497.3 1696.0 0.0019869 1093.2 0.362 1.82E-4 6.01 7 0.8107 0.7717 0.9519 493.7 1633.1 0.0019270 1089.3 0.360 1.87E-4 5.84 8 0.7861 0.7429 0.9450 490.2 1572.1 0.0018685 1085.3 0.358 1.91E-4 5.67 9 0.7621 0.7149 0.9381 486.6 1512.9 0.0018113 1081.4 0.355 1.96E-4 5.51 10 0.7386 0.6878 0.9313 483.0 1455.6 0.0017555 1077.4 0.353 2.01E-4 5.35 11 0.7157 0.6616 0.9244 479.5 1400.1 0.0017011 1073.4 0.351 2.07E-4 5.20 12 0.6933 0.6362 0.9175 475.9 1346.2 0.0016480 1069.4 0.349 2.12E-4 5.05 13 0.6715 0.6115 0.9107 472.3 1294.1 0.0015961 1065.4 0.347 2.18E-4 4.90 14 0.6502 0.5877 0.9038 468.8 1243.6 0.0015455 1061.4 0.345 2.23E-4 4.75 15 0.6295 0.5646 0.8969 465.2 1194.8 0.0014962 1057.4 0.343 2.29E-4 4.61 16 0.6092 0.5422 0.8901 461.7 1147.5 0.0014480 1053.3 0.341 2.35E-4 4.47 17 0.5895 0.5206 0.8832 458.1 1101.7 0.0014011 1049.2 0.339 2.42E-4 4.34 18 0.5702 0.4997 0.8763 454.5 1057.5 0.0013553 1045.1 0.337 2.48E-4 4.21 19 0.5514 0.4795 0.8695 451.0 1014.7 0.0013107 1041.0 0.335 2.55E-4 4.08 20 0.5332 0.4599 0.8626 447.4 973.3 0.0012673 1036.9 0.332 2.62E-4 3.95 21 0.5153 0.4410 0.8558 443.9 933.3 0.0012249 1032.8 0.330 2.70E-4 3.83 22 0.4980 0.4227 0.8489 440.3 894.6 0.0011836 1028.6 0.328 2.77E-4 3.71 23 0.4811 0.4051 0.8420 436.7 857.2 0.0011435 1024.5 0.326 2.85E-4 3.59 24 0.4646 0.3880 0.8352 433.2 821.2 0.0011043 1020.3 0.324 2.93E-4 3.48 25 0.4486 0.3716 0.8283 429.6 786.3 0.0010663 1016.1 0.322 3.02E-4 3.37 26 0.4330 0.3557 0.8215 426.1 752.7 0.0010292 1011.9 0.319 3.10E-4 3.26 27 0.4178 0.3404 0.8146 422.5 720.3 0.0009931 1007.7 0.317 3.19E-4 3.15 28 0.4031 0.3256 0.8077 419.0 689.0 0.0009580 1003.4 0.315 3.29E-4 3.05 29 0.3887 0.3113 0.8009 415.4 658.8 0.0009239 999.1 0.313 3.39E-4 2.95 30 0.3747 0.2975 0.7940 411.8 629.7 0.0008907 994.8 0.311 3.49E-4 2.85 31 0.3611 0.2843 0.7872 408.3 601.6 0.0008584 990.5 0.308 3.59E-4 2.76 32 0.3480 0.2715 0.7803 404.7 574.6 0.0008270 986.2 0.306 3.70E-4 2.66 33 0.3351 0.2592 0.7735 401.2 548.5 0.0007966 981.9 0.304 3.82E-4 2.57 34 0.3227 0.2474 0.7666 397.6 523.5 0.0007670 977.5 0.302 3.93E-4 2.48 35 0.3106 0.2360 0.7598 394.1 499.3 0.0007382 973.1 0.300 4.06E-4 2.40 36 0.2988 0.2250 0.7529 390.5 476.1 0.0007103 968.7 0.297 4.19E-4 2.31 37 0.2852 0.2145 0.7519 390.0 453.9 0.0006780 968.1 0.297 4.38E-4 2.21 38 0.2719 0.2044 0.7519 390.0 432.6 0.0006463 968.1 0.297 4.59E-4 2.11 39 0.2592 0.1949 0.7519 390.0 412.4 0.0006161 968.1 0.297 4.82E-4 2.01 40 0.2471 0.1858 0.7519 390.0 393.1 0.0005873 968.1 0.297 5.06E-4 1.91 41 0.2355 0.1771 0.7519 390.0 374.7 0.0005598 968.1 0.297 5.30E-4 1.83 42 0.2245 0.1688 0.7519 390.0 357.2 0.0005336 968.1 0.297 5.56E-4 1.74 43 0.2140 0.1609 0.7519 390.0 340.5 0.0005087 968.1 0.297 5.84E-4 1.66 44 0.2040 0.1534 0.7519 390.0 324.6 0.0004849 968.1 0.297 6.12E-4 1.58 45 0.1945 0.1462 0.7519 390.0 309.4 0.0004623 968.1 0.297 6.42E-4 1.51 46 0.1854 0.1394 0.7519 390.0 295.0 0.0004407 968.1 0.297 6.74E-4 1.44 47 0.1767 0.1329 0.7519 390.0 281.2 0.0004201 968.1 0.297 7.07E-4 1.37 48 0.1685 0.1267 0.7519 390.0 268.1 0.0004005 968.1 0.297 7.41E-4 1.31 49 0.1606 0.1208 0.7519 390.0 255.5 0.0003817 968.1 0.297 7.78E-4 1.24 50 0.1531 0.1151 0.7519 390.0 243.6 0.0003639 968.1 0.297 8.16E-4 1.19 51 0.1460 0.1097 0.7519 390.0 232.2 0.0003469 968.1 0.297 8.56E-4 1.13 52 0.1391 0.1046 0.7519 390.0 221.4 0.0003307 968.1 0.297 8.98E-4 1.08 53 0.1326 0.0997 0.7519 390.0 211.0 0.0003153 968.1 0.297 9.42E-4 1.03 54 0.1264 0.0951 0.7519 390.0 201.2 0.0003006 968.1 0.297 9.88E-4 0.98 55 0.1205 0.0906 0.7519 390.0 191.8 0.0002865 968.1 0.297 1.04E-3 0.93 56 0.1149 0.0864 0.7519 390.0 182.8 0.0002731 968.1 0.297 1.09E-3 0.89 57 0.1096 0.0824 0.7519 390.0 174.3 0.0002604 968.1 0.297 1.14E-3 0.85 58 0.1044 0.0785 0.7519 390.0 166.2 0.0002482 968.1 0.297 1.20E-3 0.81 59 0.0996 0.0749 0.7519 390.0 158.4 0.0002367 968.1 0.297 1.25E-3 0.77 60 0.0949 0.0714 0.7519 390.0 151.0 0.0002256 968.1 0.297 1.32E-3 0.74 61 0.0905 0.0680 0.7519 390.0 144.0 0.0002151 968.1 0.297 1.38E-3 0.70 62 0.0863 0.0649 0.7519 390.0 137.3 0.0002050 968.1 0.297 1.45E-3 0.67 63 0.0822 0.0618 0.7519 390.0 130.9 0.0001955 968.1 0.297 1.52E-3 0.64 64 0.0784 0.0590 0.7519 390.0 124.8 0.0001864 968.1 0.297 1.59E-3 0.61 65 0.0747 0.0562 0.7519 390.0 118.9 0.0001777 968.1 0.297 1.67E-3 0.58

PDAS home > Contents > Standard Atmosphere > Table (US units)
Public Domain Aeronautical Software (PDAS)