9-66 Change A
U.S. Navy Diving Manual—Volume 2
Table 9-10. Surface Decompression Table Using Air.
Chamber stops
(air) (min)
(feet/meters)
Time (min) at water stops
(feet/meters)
Bottom
time
(min)
Time to
first stop or
surface
(min:sec)
Total
decompression
time
(min:sec)
Depth
feet/meters
30
9.1
20
6.0
10
3.0
Surface
Interval
20
6.0
10
3.0
40
12.1
230
1:00
3
7
15:20
250
1:00
3
11
19:20
270
1:00
3
15
23:20
300
1:00
3
19
27:20
50
15.2
120
1:20
3
5
13:40
140
1:20
3
10
18:40
160
1:20
3
21
29:40
180
1:20
3
29
37:40
200
1:20
3
35
43:40
220
1:20
3
40
48:40
240
1:20
3
47
55:40
60
18.2
80
1:40
3
7
16:00
100
1:40
3
14
23:00
120
1:40
3
26
35:00
140
1:40
3
39
48:00
160
1:40
3
48
57:00
180
1:40
3
56
65:00
200
1:20
3
3
69
81:30
70
21.3
60
2:00
3
8
17:20
70
2:00
3
14
23:20
80
2:00
3
18
27:20
90
2:00
3
23
32:20
100
2:00
3
33
42:20
110
1:40
3
3
41
53:50
120
1:40
3
4
47
60:50
130
1:40
3
6
52
67:50
140
1:40
3
8
56
73:50
150
1:40
3
9
61
79:50
160
1:40
3
13
72
94:50
170
1:40
3
19
79
107:50
80
24.3
50
2:20
3
10
19:40
60
2:20
3
17
26:40
70
2:20
3
23
32:40
80
2:00
3
3
31
44:10
90
2:00
3
7
39
56:10
100
2:00
3
11
46
67:10
110
2:00
3
13
53
76:10
120
2:00
3
17
56
83:10
130
2:00
3
19
63
92:10
140
2:00
26
26
69
128:10
150
2:00
32
32
77
148:10
