CHAPTER 9 — Air Decompression
Change A 9-61
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)
Depth
feet/meters
130
39.6
120
36.5
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
Exceptional
Exposure
240
73.1
5
7:40
2
10:00
10
7:00
1
3
6
18:00
15
7:00
4
6
21
39:00
20
6:40
3
6
15
25
57:00
25
6:20
1
4
9
24
40
86:00
30
6:20
4
8
15
22
56
113:00
40
6:00
3
7
17
22
39
75
171:00
50
5:40
1
8
15
16
29
51
94
222:00
Bottom
time
(min)
Time
first
stop
(min:
sec)
Decompression stops (feet/meters)
Total
decom-
pression
time
(min:sec)
Depth
feet/meters
200
60.9
190
57.9
180
54.8
170
51.8
160
48.7
150
45.7
140
42.6
130
39.6
120
36.5
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
Exceptional
Exposure
250
76.2
5
7:40
1
2
11:20
10
7:20
1
4
7
20:20
15
7:00
1
4
7
22
42:20
20
7:00
4
7
17
27
63:20
25
6:40
2
7
10
24
45
96:20
30
6:40
6
7
17
23
59
120:20
40
6:20
5
9
17
19
45
79
182:20
60
5:20
4
10
10
10
12
22
36
64
164
302:20
90
4:20
8
10
10
10
10
10
28
28
44
68
98
186
518:20
120
3:40
5
10
10
10
10
16
24
24
36
48
64
94
142
187
688:20
180
3:00
4
8
8
10
22
24
24
32
42
44
60
84
114
122
142
187
935:20
240
3:00
9
14
21
22
22
40
40
42
56
76
98
100
114
122
142
187
1113:20
Exceptional
Exposure
260
79.2
5
8:00
1
2
11:40
10
7:40
2
4
9
23:40
15
7:20
2
4
10
22
46:40
20
7:00
1
4
7
20
31
71:40
25
7:00
3
8
11
23
50
103:40
30
6:40
2
6
8
19
26
61
130:40
40
6:20
1
6
11
16
19
49
84
194:40
Exceptional
Exposure
270
82.3
5
8:20
1
3
13:00
10
8:00
2
5
11
27:00
15
7:40
3
4
11
24
51:00
20
7:20
2
3
9
21
35
79:00
25
7:00
2
3
8
13
23
53
111:00
30
7:00
3
6
12
22
27
64
143:00
40
6:40
5
6
11
17
22
51
88
209:00
