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

Brief SIT
If the SIT is less than 10 minutes, the RNT is the bottom time
from the previous dive.
Add the bottom times of the two dives, use the deepest depth
attained for the schedule, and ignore the SIT
Example: 80’/20, SIT = 0:08, 70/20 schedule is 80’/40
80’ 70’
20 ABT
20 ABT
+20 RNT
40 ESDT