USN Decompression Tables & Procedures.pdf - Watchuseek, World's ...

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Cold or Arduous Dives-1 Dives Rule: For cold or arduous dives, use the next longer duration for the dive schedule – Example: Schedule for a 70’/30 dive that is cold or arduous is 70’/35 If you cannot use the next longer duration because it places the diver into decompression, use the next less available bottom time – Example: Maximum no-deco bottom time allowed for a cold or arduous dive to 70 feet is 45 minutes and the RNT would be figured as if the dive was made for the next greater bottom time (i.e. 50 mins)
Cold or Arduous Dives-2 Dives When planning a cold or arduous repetitive dive, select the RNT group that is less than the maximum allowable RNT figured for the dive. This will automatically give you a longer SIT – Example: You figure the max allowable RNT for a repetitive dive to 60’/30 is 30 minutes. Since you suspect the dive will be cold or arduous you would use 24 minutes as your RNT and follow 60’/55 schedule
Page 1 and 2:
US Navy Decompression Tables and Pr
Page 3 and 4:
What are decompression tables? Intr
Page 5 and 6:
Introduction-3 Introduction Develop
Page 7 and 8:
Table Definitions-2 Definitions Dec
Page 9 and 10:
Dive Table Rules All dive schedules
Page 11 and 12:
USN No-Deco No Deco Tables-2 Tables
Page 13 and 14:
Description, cont. USN No-Deco No D
Page 15 and 16:
Questions 1 and 2: USN No-Deco No D
Page 17 and 18: Question #3: USN No-Deco No Deco Ta
Page 19 and 20: Question #4: USN No-Deco No Deco Ta
Page 21 and 22: USN Repetitive Dive Tables-1 Tables
Page 27 and 28: Application--RNT: USN Repetitive Di
Page 31 and 32: USN Repetitive Dive Tables-11 Table
Page 33 and 34: D e p t h RGD SIT Diagramming Dives
Page 35 and 36: Know the dive table terms and abbre
Page 37 and 38: Standard air decompression tables M
Page 39 and 40: Description: USN Decompression Tabl
Page 41 and 42: 60 USN Decompression Tables-4 Table
Page 43 and 44: 60 USN Decompression Tables- Tables
Page 45 and 46: 60 USN Decompression Tables-8 Table
Page 47 and 48: USN Decompression Tables-10 Tables
Page 49 and 50: Minimum SIT-2 SIT Question: A diver
Page 51 and 52: - Step 6: Use SIT Table to determin
Page 53 and 54: Answer to question #1: 55’ 55’
Page 55 and 56: Example SI Special Rule-2 Rule F 0:
Page 57 and 58: Answer question #1: Yes, using the
Page 59 and 60: 40’ Answer question #2 : Using Sp
Page 61 and 62: Dive Sequencing-2 Sequencing Always
Page 63 and 64: Learn when to use which dive table
Page 65 and 66: Brief SIT Safety stops Cold or ardu
Page 67: Safety Stops Definition: Precaution
Page 71 and 72: Ascent Variations The normal rate o
Page 73 and 74: Diving At Altitude-2 Altitude The U
Page 75 and 76: Flying After Diving-2 Diving R equi
Page 77 and 78: Flying After Diving-4 Diving Exampl
Page 79 and 80: Omitted Decompression-1 Decompressi
Page 81 and 82: Cont: Omitted Decompression-3 Decom
Page 83 and 84: RNT Table Asterisks - 2 To avoid pu
Page 85: Key Key Points If the SIT is less t
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