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Altitude Tables

This document contains decompression tables for recreational diving at depths between 0-700 meters and 701-2500 meters. It provides maximum depth, bottom time, ascent rates, mandatory decompression stop times, total dive time, and air consumption for different dive profiles categorized by letters A-H. The tables allow divers to plan dives that minimize decompression risks at different depths and altitudes.

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Felix Padilla
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167 views2 pages

Altitude Tables

This document contains decompression tables for recreational diving at depths between 0-700 meters and 701-2500 meters. It provides maximum depth, bottom time, ascent rates, mandatory decompression stop times, total dive time, and air consumption for different dive profiles categorized by letters A-H. The tables allow divers to plan dives that minimize decompression risks at different depths and altitudes.

Uploaded by

Felix Padilla
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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BUHLMANN 1989 SEA LEVEL (0-700M)

Max Bottom Time DECOMPRESSION TOTAL ACTUAL Max Bottom Time DECOMPRESSION TOTAL ACTUAL Max Bottom Time DECOMPRESSION TOTAL ACTUAL
Depth Time To 1st STOP TIME REP DIVE AIR Depth Time To 1st STOP TIME REP DIVE AIR Depth Time To 1st STOP TIME REP DIVE AIR
Stop 12 m 9 m 6 m 3 m GROUP TIME Stop 12 m 9 m 6 m 3 m GROUP TIME Stop 12 m 9 m 6 m 3 m GROUP TIME
m min min min min min min min liters m min min min min min min min liters m min min min min min min min liters
25 0.6 1 A 26.9 1253 10 2.4 1 A 13.7 1116 5 3.9 1 A 11.2 1138
9 37 0.6 1 B 38.9 1823 12 2.4 1 B 15.7 1601 7 3.9 1 B 12.2 1268
55 0.6 1 C 56.9 2678 18 2.4 1 C 21.7 1856 9 3.9 1 D 14.2 1528
81 0.6 1 D 82.9 3913 27 20 2.4 1 E 23.7 2041 12 3.9 4 D 20.2 2016
19 0.9 1 A 21.2 1126 30 2.4 5 F 37.7 3096 42 15 3.6 1 5 E 25.2 2478
25 0.9 1 B 27.2 1456 35 2.4 10 F 47.7 3721 18 3.6 4 6 F 32.2 3021
12 37 0.9 1 C 39.2 2116 40 2.1 2 13 G 57.7 4361 21 3.3 2 4 10 F 41.2 3636
57 0.9 1 D 59.2 3216 45 2.1 3 18 G 68.7 5026 24 3.3 3 6 16 G 53.2 4345
82 0.9 1 E 84.2 4591 9 2.7 1 A 13 1120 27 3.3 4 7 19 G 61.2 4923
16 1.2 1 A 18.5 1098 11 2.7 1 B 15 1320 30 3 2 4 9 25 G 74.2 5698
20 1.2 1 B 22.5 1348 16 2.7 1 C 20 1820 6 4.2 1 A 11.5 1223
15 29 1.2 1 C 31.5 1911 17 2.7 1 D 21 1920 7 4.2 1 B 12.5 1361
41 1.2 1 D 43.5 2661 20 2.7 2 D 25 2253 9 4.2 2 E 15.5 1668
59 1.2 1 E 61.5 3786 30 25 2.7 5 E 33 2850 12 4.2 5 E 21.5 2178
75 1.2 1 G 77.5 4786 30 2.4 2 7 F 42 3495 15 3.9 3 5 E 27.5 2711
80 1.2 3 G 84.5 4163 35 2.4 3 14 G 55 4263 45 18 3.6 2 4 9 F 37.5 3388
14 1.5 1 A 16.8 1098 40 2.4 5 17 G 65 4940 21 3.6 3 5 13 G 46.5 4018
17 1.5 1 B 19.8 1308 45 2.4 9 23 G 80 5795 24 3.6 4 6 18 G 56.5 4681
25 1.5 1 C 27.8 1868 8 3 1 A 12.3 1109 27 3.3 2 4 9 22 G 68.5 5453
33 1.5 1 D 35.8 2428 10 3 1 B 14.3 1324 30 3.3 3 6 10 27 G 80.5 6218
18 44 1.5 1 F 46.8 3198 14 3 1 D 18.3 1539 6 4.5 1 B 11.8 1311
51 1.5 1 F 53.8 3688 33 20 3 4 E 27.3 1891 8 4.5 1 C 13.8 1601
60 1.5 5 F 66.8 4448 25 2.7 2 7 F 37.3 2559 9 4.5 3 E 16.8 1811
70 1.5 11 G 82.8 5343 30 2.7 4 11 G 48.3 3361 48 12 4.2 2 5 E 23.8 2391
80 1.5 18 H 99.8 6271 35 2.7 6 17 G 61.3 4241 15 4.2 4 6 F 29.8 2938
12 1.8 1 A 15.1 1070 40 2.4 2 8 23 G 76.3 4241 18 3.9 3 4 10 F 39.8 3646
15 1.8 1 B 18.1 1303 7 3.3 1 A 11.6 1090 21 3.9 4 6 16 G 51.8 4403
22 1.8 1 C 25.1 1845 9 3.3 1 B 13.6 1320 24 3.6 2 4 7 22 G 63.8 5183
21 28 1.8 1 D 31.1 2310 12 3.3 1 D 16.6 1665 5 4.8 1 B 11.1 1248
35 1.8 1 E 38.1 2853 36 15 3.3 3 D 21.6 2075 7 4.8 1 C 13.1 1553
40 1.8 2 E 44.1 3273 20 3 2 5 E 30.6 2795 9 4.8 4 E 18.1 1955
50 1.8 8 F 60.1 4243 25 3 4 9 F 41.6 3580 51 12 4.5 3 6 E 25.1 2198
60 1.9 16 G 78.1 5278 30 2.7 2 5 15 G 55.6 4485 15 4.2 2 4 8 F 34.1 3255
11 2.1 1 A 14.4 1100 7 3.6 1 A 11.9 1178 18 4.2 4 5 13 F 45.1 4010
13 2.1 1 B 16.4 1270 8 3.6 1 B 12.9 1300 21 3.9 3 4 7 18 G 58.1 4875
20 2.1 1 C 23.4 1865 10 3.6 1 D 14.9 1545 5 5.1 1 B 11.4 1331
24 2.1 1 D 27.4 2205 39 15 3.6 4 E 22.9 2265 7 5.1 1 C 13.4 1652
24 25 2.1 1 E 28.4 2290 20 3.3 3 7 F 33.9 3085 9 4.8 1 5 E 20.4 2142
30 2.1 2 E 34.4 2747 25 3 2 4 12 G 46.9 3995 54 12 4.5 1 4 6 E 28.4 2822
35 2.1 4 F 41.4 3237 30 3 3 7 18 G 61.9 4970 15 4.5 3 4 10 F 37.4 3527
40 2.1 8 F 50.4 3792 35 3 5 9 28 G 80.9 6083 18 4.2 1 3 6 17 G 50.4 4370
50 2.1 17 G 69.4 4935 21 4.2 4 4 9 12 G 55.4 5312
BUHLMANN 1989 ALTITUDE (701-2500 m)
Max Bottom Time DECOMPRESSION TOTAL ACTUAL Max Bottom Time DECOMPRESSION TOTAL ACTUAL Max Bottom Time DECOMPRESSION TOTAL ACTUAL
Depth Time To 1st STOP TIME REP DIVE AIR Depth Time To 1st STOP TIME REP DIVE AIR Depth Time To 1st STOP TIME REP DIVE AIR
Stop 9m 6m 4m 2m GROUP TIME Stop 9m 6m 4m 2m GROUP TIME Stop 9m 6m 4m 2m GROUP TIME
m min min min min min min min liters m min min min min min min min liters m min min min min min min min liters
25 0.7 1 A 26.9 1250 10 2.5 1 A 13.7 1114 9 4.4 1 4 E 18.8 1866
9 37 0.7 1 B 38.9 1820 12 2.5 1 B 15.7 1299 48 12 4.2 1 3 4 F 24.8 2413
55 0.7 1 C 56.9 2675 18 2.5 1 D 21.7 1854 15 3.9 2 2 4 9 G 36.8 3168
81 0.7 1 D 82.9 3910 27 20 2.5 2 E 24.7 2069 18 3.9 4 5 5 14 G 50.8 4003
19 1 1 A 21.2 1123 25 2.5 4 F 31.7 2591 6 4.9 2 E 13.1 1428
25 1 1 B 27.2 1453 30 2.3 2 7 F 41.7 3214 51 9 4.5 1 1 3 E 19.1 1990
12 37 1 1 C 39.2 2113 35 2.3 4 11 G 52.7 3866 12 4.2 1 2 3 5 F 28.1 2665
57 1 1 D 59.2 3213 40 2.1 1 6 16 G 65.7 4589 15 4.2 3 3 4 11 G 41.1 3473
82 1 1 E 84.2 4588 9 2.8 1 A 13 1118 6 5.2. 2 D 13.4 1520
16 1.3 1 A 18.5 1096 11 2.8 1 B 15 1318 54 9 4.8 1 3 3 F 21.4 2175
20 1.3 1 B 22.5 1346 15 2.8 1 D 19 1718 12 4.5 2 3 3 7 F 32.4 2950
29 1.3 1 C 31.5 1908 30 20 2.8 3 E 26 2278
15 41 1.3 1 D 43.5 2658 25 2.6 2 6 F 36 2938 RESIDUAL NITROGEN TIME (RNT)
59 1.3 1 E 61.5 3783 30 2.4 1 4 11 G 49 2698
62 1.3 1 F 64.5 3971 35 2.4 2 7 15 G 62 4463 REPETITIVE GROUP AT BEGINING
70 1.3 4 G 75.5 4561 8 3.1 1 A 12.3 1109 OF SURFACE INTERVAL "0" Fly Time
14 1.6 1 A 16.8 1096 10 3.1 1 B 14.3 1324 A 2 2
17 1.6 1 B 19.8 1306 12 3.1 1 D 16.3 1539 B 20 2 2
25 1.6 1 C 27.8 1866 33 15 3.1 2 E 20.3 1891 C 10 25 3 3
33 1.6 1 D 35.8 2426 20 2.9 2 4 F 29.2 2559 D 10 15 30 3 3
18 44 1.6 1 F 46.8 3196 25 2.7 2 3 9 G 42.3 3361 E 10 15 25 45 4 3
50 1.6 4 F 55.8 3706 30 2.4 1 3 6 14 G 57.3 4241 F 20 30 45 75 80 8 4
60 1.6 11 G 72.8 4616 7 3.3 1 A 11.6 1087 G 25 45 60 75 100 130 12 5
70 1.6 19 G 90.8 5556 10 3.3 1 D 14.6 1432 H 50 65 95 130 180 240 340 24 7
80 1.6 4 23 H 108.8 6516 36 15 3.3 1 3 E 22.6 2102
12 1.9 1 A 15.1 1068 20 3.3 1 3 6 F 33.6 2877 G F E D C B A
15 1.9 1 B 18.1 1300 25 3 1 3 5 12 G 49.6 3830 m
22 1.9 1 C 25.1 1843 30 3 3 3 8 19 G 66.6 4815 9 154 130 105 81 55 37 25
28 1.9 1 D 31.1 2308 9 3.7 1 D 13.9 1420 12 137 111 82 57 37 25 19
30 1.9 1 E 33.1 2463 12 3.7 3 E 18.9 1848 15 115 88 59 41 29 20 16
21 35 1.9 2 F 39.1 2880 15 3.5 2 4 E 24.9 2315 18 91 68 44 33 25 17 14
40 1.9 5 F 47.1 3358 39 18 3.3 2 3 7 F 33.9 2888 21 72 53 37 28 22 15 12
45 1.9 9 G 56.1 3865 21 3.3 3 4 10 G 41.9 3420 24 57 42 30 24 20 13 11
50 1.7 1 13 G 66.1 4408 24 3 2 3 6 15 G 53.9 4103 27 47 35 26 21 18 12 10
55 1.7 3 17 G 77.1 4985 27 3 4 4 8 18 G 64.9 4765 30 40 30 23 19 16 11 9
60 1.7 5 20 G 87.1 5533 8 4 1 D 13.2 1396 33 35 27 21 17 14 10 8
65 1.7 8 22 G 97.1 6085 12 3.8 1 4 E 21.2 2041 36 31 24 19 15 12 9 7
11 2.2 1 A 14.4 1097 15 3.6 1 3 5 F 28.2 2571 39 27 21 17 14 11 8 7
13 2.2 1 B 16.4 1267 42 18 3.6 3 4 8 F 37.2 3166 42 25 19 16 13 10 7 6
20 2.2 1 C 23.4 1862 21 3.3 3 3 5 13 G 49.2 3883 45 23 17 14 11 9 7 6
22 2.2 1 F 25.4 2032 24 3.3 4 4 7 18 G 61.2 4581 48 21 16 13 10 8 6 6
24 30 2.2 3 F 35.4 2772 9 4.3 3 D 16.5 1693 51 20 15 12 9 7 5 5
35 2.2. 7 F 44.4 3317 12 4.1 3 3 E 22.5 2211 54 19 14 11 9 7 5 5
40 2 2 11 G 55.4 3932 45 15 3.9 3 3 6 F 31.5 2833 57 18 13 10 8 6 5 5
45 2 4 16 G 67.4 4577 18 3.6 2 3 4 11 F 42.5 3526
50 2 7 19 G 78.4 5197 21 3.6 4 4 7 16 G 56.5 4328
55 1.8 1 10 21 G 89.4 5827

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