NOAA NO-DECOMPRESSION TABLEMULTIPLE AIR DIVES

WARNING: EVEN STRICT COMPLIANCE WITH THESECHARTS WILL NOT GUARANTEE AVOIDANCE OFDECOMPRESSION SICKNESS. CONSERVATIVE USAGEIS STRONGLY RECOMMENDED.

(USE ESDT TODETERMINEEND-OF-DIVELETTER GROUP)

RESIDUAL NITROGEN TIME

ACTUAL BOTTOM TIME

EQUIVALENT SINGLE DIVE TIME

RNT+ ABTESDT

12.2

15.2

16.8

18.3

21.4

24.4

27.4

30.5

33.6

36.6

39.6

9 8 7 6 5 4 4 3 3 2

15141210976654

2119171412119876

2825221916141211109

34312823201715141210

413733282421181615

4843393228242119

56504537322825

6356514236

71635747

8071

8974

505560708090

100110120130

6:085:14

1:44:53

2:20:10

3:361:17

4:312:12

5:233:04

6:153:56

7:084:49

8:005:41

8:526:33

9:447:25

10:368:17

11:299:10

12:2110:02

13:1310:54

14:0511:46

1:16:10

2:11:56

3:031:48

3:552:40

4:483:32

5:404:24

6:325:17

7:246:09

8:167:01

9:097:53

10:018:45

10:539:38

11:4510:30

:55:10

1:47:53

2:391:45

3:312:38

4:233:30

5:164:22

7:006:07

7:526:59

8:447:51

9:378:43

10:299:35

:52:10

2:371:45

3:292:38

4:213:30

5:134:22

6:065:14

6:586:07

7:506:59

8:427:51

9:348:43

:52:10

1:44:53

2:371:45

3:292:38

4:213:30

5:134:22

6:065:14

6:586:07

7:506:59

8:427:51

:52:10

1:44:53

2:371:45

3:292:38

4:213:30

5:134:22

6:065:14

6:586:07

7:506:59

:52:10

1:44:53

2:371:45

3:292:38

4:213:30

5:134:22

6:065:14

6:586:07

:52:10

1:44:53

2:371:45

3:292:38

4:213:30

5:134:22

6:065:14

:52:10

1:44:53

2:371:45

3:292:38

4:213:30

5:134:22

:52:10

1:44:53

2:371:45

3:292:38

4:213:30

:52:10

1:44:53

2:371:45

3:292:38

:52:10

1:44:53

2:371:45

:52:10

1:44:53

:52:10

0000

ABCDEFGHIJKLMN

GROUPLETTER

CHART 1 — DIVE TIMES WITH END-OF-DIVE GROUP LETTER

CHART 3 — REPETITIVE DIVE TIMERED NUMBERS (TOP) ARE RESIDUAL NITROGEN TIMES (RNT)BLACK NUMBERS (BOTTOM) ARE ADJUSTED NO-STOP REPETITIVE DIVE TIMEAND THE FOLLOWING BOTTOM TIME SHOULD NOT EXCEED THIS NUMBER

DEPTHmsw fsw

MAXIMUMNO-STOP TIME

DIVE TIME REQUIRING DECOMPRESSION STOPMINUTES REQUIRED AT 20 fsw stop (6.1 msw)00 00

00

8014

652

5017

4510

202

3024

258

4523

354

4014

4026

303

3527

151

2517

204

253

1004

O

92

6048

3930

20

14:5812:38

12:3711:22

11:2110:28

10:279:35

9:348:43

8:427:51

7:506:59

6:586:07

6:065:14

5:134:22

4:213:30

3:292:38

2:371:45

1:44:53

:52:10

Z

15:5013:31

13:3012:14

12:1311:20

11:1910:28

9:348:43

8:427:51

7:506:59

6:586:07

6:065:14

5:134:22

4:213:30

3:292:38

2:371:45

1:44:53

:52:10

10:279:35

OZ

12 20 27 36 44 53 63 73 84 95 108 121 135 151 16340

4012.2

5015.2

5516.8

6018.3

7021.4

8024.4

9027.4

10030.5

11033.6

12036.6

13039.6

CHART 2 — SURFACE INTERVAL TIMETime Ranges in hours: minutes

Enter Chart 2 from the top,move down to find surface interval time,

move left to find the next repetitive group letter.

18014

3515

3014

1108

13034

6014

559

9023

804

9010

10017

13150

1181

1064

951

840

732

624

520

515

510

46

21142

1775

1559

1446

1236

1029

921

817

812

78

64

29134

2369

2054

1941

1632

1425

1218

1114

1010

96

91

37126

2963

2648

2436

2028

1821

1614

1411

137

123

45118

3557

3242

2931

2523

2217

1911

178

164

55108

4250

3836

3525

2919

2514

228

205

182

6499

4943

4430

4020

3414

2910

264

232

7489

5735

5123

4614

399

336

291

15211

8578

6527

5816

528

444

381

12241

13627

9766

7319

659

582

902

722

8111

10954

COPYRIGHT 2010 BY NOAA/BPC

THESE CHARTS ARE BASED ONTHE U.S. NAVY AIR DECOMPRESSIONTABLES 7, 8, & 9 REV. 6

141