CHAPTER 6 — Operational Planning
Change A 6-57
EXO BR MS
Characteristics
Principle of Operation:
Surface-supplied, open-circuit system
Self contained, open-circuit demand system
Minimum Equipment:
1.
EXO BR MS Full Face Mask
2.
Manifold Block (except for scuba and ship
husbandry enclosed spaces)
3.
Harness
4.
Weight belt (if required)
5.
Dive knife
6.
Swim fins or boots
7.
Surface umbilical
8.
EGS bottle deeper than 60 fsw
Principal Applications:
1.
Search
2.
Salvage
3.
Inspection
4.
Underwater Ships Husbandry and enclosed
space diving
Advantages:
1.
Unlimited by air supply
2.
Good horizontal mobility
3.
Voice and/or line pull signal capabilities
4.
Fast deployment
Disadvantages:
1.
Limited physical protection
Restrictions:
1.
Work limits: 190 fsw
2.
Emergency air supply (EGS) required deeper
than 60 fsw or diving inside a wreck or
enclosed space
3.
Current - Above 1.5 knots requires extra
weights
4.
Enclosed space diving requires an Emergency
Gas Supply (EGS) with 50 to 150 foot whip
and second stage regulator.
Operational Considerations:
1.
Adequate air supply system required
2.
Standby diver required
Figure 6-26. EXO BR MS Characteristics
EXO BR MS Full Face Mask.
