42
PRE DIVE PLANNING SEQUENCE
TM
Oceanic strongly recommends that you review the
Pre Dive Planning Sequence (PDPS) prior to every
dive to help you plan your dive as required to
avoid exceeding no decompression or oxygen
exposure limits.
This is especially important for repetitive dives when the PDPS
indicates adjusted dive times that are available for the next
dive, based on residual nitrogen or oxygen accumulation
(whichever is in control) following the last dive and surface
interval.
The PDPS provides a sequence of theoretical dive times avail-
able for depths ranging from 30 feet (9 meters) to 190 feet (57
meters) in 10 foot (3 meter) increments.
During the sequence, no decompression times are only dis-
played for depths where there is at least 1 minute of theoreti-
cal dive time available at the depth, taking into account a
descent rate of 60 feet (18 meters) per minute.
No Decompression Limits
for an Air Dive
(no dive made yet)
Depth
NDL
feet (meters)hours:mins
30 (9)
4:20 (4:43)
40 (12)
2:17 (2:24)
50 (15)
1:21 (1:25)
60 (18)
:57
(:59)
70 (21)
:40
(:41)
80 (24)
:30
(:32)
90 (27)
:24
(:25)
100 (30)
:19
(:20)
110 (33)
:16
(:17)
120 (36)
:13
(:14)
130 (39)
:11
(:11)
140 (42)
:09
(:09)
150 (45)
:08
(:08)
160 (48)
:07
(:07)
170 (51)
:07
(:06)
180 (54)
:06
(:06)
190 (57)
:05
(:05)
Содержание versa Pro
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