CSP–520N–1
MD 520N (500N) ROTORCRAFT FLIGHT MANUAL
General
TM
Original
1–22
Table 1–7. Standard Atmosphere Table
Standard Sea Level Conditions:
Temperature:
59
°
F (15
°
C)
Pressure:
29.921 in. Hg (1013.25 mbar)
Density:
0.0023769 slugs/ft
3
(1.225 kg/m
3
)
ALTITUDE
DENSITY
1
TEMPERATURE
PRESSURE
PRESSURE
PRESSURE
ALTITUDE
(feet)
DENSITY
RATIO
σ
1
p
σ
(
°
C)
(
°
F)
PRESSURE
(mbar)
PRESSURE
(in. Hg)
PRESSURE
RATIO
0
1.0000
1.000
15.00
59.000
1013.25
29.921
1.0000
1000
0.9711
1.0148
13.019
55.434
997.18
28.856
0.9644
2000
0.9428
1.0299
11.038
51.868
942.14
27.821
0.9298
3000
0.9151
1.0454
9.056
48.302
908.14
26.817
0.8962
4000
0.8881
1.0611
7.076
44.735
875.12
25.842
0.8637
5000
0.8617
1.0773
5.094
41.196
843.08
24.896
0.8320
6000
0.8359
1.0938
3.113
37.603
811.99
23.978
0.8014
7000
0.8106
1.1107
1.132
34.037
781.86
23.088
0.7716
8000
0.7860
1.1279
−0.850
30.471
752.63
22.225
0.7428
9000
0.7620
1.1456
−2.831
26.905
724.29
21.388
0.7148
10000
0.7385
1.1637
−4.812
23.338
696.82
20.577
0.6877
11000
0.7155
1.1822
−6.793
19.772
670.21
19.791
0.6614
12000
0.6932
1.2011
−8.774
16.206
644.40
19.029
0.6360
13000
0.6713
1.2205
−10.756
12.640
619.44
18.292
0.6113
14000
0.6500
1.2403
−12.737
9.074
595.23
17.577
0.5875
15000
0.6292
1.2606
−14.718
5.508
571.83
16.886
0.5643
16000
0.6090
1.2815
−16.669
1.941
549.14
16.216
0.5420
17000
0.5892
1.3028
−18.680
−1.625
527.23
15.569
0.5203
18000
0.5669
1.3246
−20.662
−5.191
505.99
14.942
0.4994
19000
0.5511
1.3470
−22.643
−8.757
485.48
14.336
0.4791
20000
0.5328
1.3700
−24.624
−12.323
465.63
13.750
0.4595
21000
0.5150
1.3935
−26.605
−15.899
446.47
13.184
0.4406
22000
0.4976
1.4176
−28.587
−19.456
427.91
12.636
0.4223
23000
0.4806
1.4424
−30.568
−23.002
409.99
12.107
0.4046
24000
0.4642
1.4678
−32.549
−26.588
392.72
11.597
0.3874
25000
0.4481
1.4938
−34.530
−30.154
375.99
11.103
0.3711
