CHAPTER 9 — Air Decompression
Change A 9-59
* See No Decompression Table for repetitive groups
** Repetitive dives may not follow exceptional exposure dives
Table 9-8. U.S. Navy Standard Air Decompression Table (Continued).
Bottom
time
(min)
Time
first stop
(min:sec)
Decompression stops (feet/meters)
Total
decompression
time
(min:sec)
Repetitive
group
Depth
feet/meters
110
33.5
100
30.4
90
27.4
80
24.3
70
21.3
60
18.2
50
15.2
40
12.1
30
9.1
20
6.0
10
3.0
170
51.8
5
0
5:40
D
10
5:20
2
7:40
F
15
5:00
2
5
12:40
H
20
5:00
4
15
24:40
J
25
4:40
2
7
23
37:40
L
30
4:40
4
13
26
48:40
M
40
4:20
1
10
23
45
84:40
O
50
4:20
5
18
23
61
112:40
Z
60
4:00
2
15
22
37
74
155:40
Z
Exceptional
Exposure
70
4:00
8
17
19
51
86
186:40
**
90
3:40
12
12
14
34
52
120
249:40
**
120
3:00
2
10
12
18
32
42
82
156
359:40
**
180
2:40
4
10
22
28
34
50
78
120
187
538:40
**
240
2:40
18
24
30
42
50
70
116
142
187
684:40
**
360
2:20
22
34
40
52
60
98
114
122
142
187
876:40
**
480
2:00
14
40
42
56
91
97
100
114
122
142
187
1010:40
**
180
54.8
5
0
6:00
D
10
5:40
3
9:00
F
15
5:20
3
6
15:00
I
20
5:00
1
5
17
29:00
J
25
5:00
3
10
24
43:00
L
30
5:00
6
17
27
56:00
N
40
4:40
3
14
23
50
96:00
O
50
4:20
2
9
19
30
65
131:00
Z
60
4:20
5
16
19
44
81
171:00
Z
190
57.9
5
5:40
0
6:20
D
10
5:40
1
3
10:20
G
15
5:40
6
7
17:20
I
20
5:20
2
6
20
34:20
K
25
:5:20
5
11
25
47:20
M
30
5:00
1
8
19
32
66:20
N
40
5:00
8
14
23
55
106:20
O
Exceptional
Exposure
50
4:40
4
13
22
33
72
150:20
**
60
4:40
10
17
19
50
84
186:20
**
