100 hour class
Decompression Problems
Name:_____________________________________________
Date:___________________
Complete the following dive profiles using the NAUI tables diving air, fsw, hours: minutes.
DO NOT LEAVE ANY BLANKS!!!
1
Complete the profile below so that you minimize your SIT times and all 3 dives are No
Decompression dives.
SIT __:___
RG
____ 15’
77' Depth
____ MDT
time 0:32
2
SIT ___:___
RG
RG
___ 15’
RG
RG
___ 15’
65' Depth
57' Depth
____RNT
_____RNT
____AMDT time 0:21
_____AMDT
time 0:44
Complete the following profile using assuming you are COLD on the 2nd and 3rd dives:
SIT 1:40
RG
SIT 2:10
RG
____ 15’
65' Depth
RG
___ 15’
47' Depth
_____ MDT
time 0:32
_____ RNT
_____ AMDT
RG
RG
___ 15’
38' Depth
time 0:27
_____ RNT
_____ AMDT time 0:38
3
For any dive with a maximum depth greater than 40 ft., what is the recommended depth and
time for precautionary safety stops?
4
The pressure of the N2 in air at 120 fsw is _______________ATA.
8-10 Revision
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5
According to NAUI, __________ ft/min is the current maximum rate of ascent.
6
List 3 differences between the US Navy and the NAUI dive tables?



7
Using the NAUI tables, you make a dive to 109 feet for 19 minutes. Describe what happens
next, and the consequences.
8
What is the major difference between computing future dives using a dive computer and dive
tables?
9
T/F
When using different dive computers and/or tables, a dive team should use the most
conservative option.
10 T/F
If a diver in a dive team does not have a dive computer, it is appropriate to use the
buddy’s data to compute future dives.
11 T/F
Dive logs are due on a monthly basis.
12 T/F
You need 12 dives per 12 month period in order to maintain a Current AAUS/SDSU
Scientific Diver Standing.
8-10 Revision
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