13-12 Change A
U.S. Navy Diving Manual—Volume 3
13-8.1
Minimum Required Equipment. Minimum required equipment for the pool phase
of dive training conducted at Navy diving schools may be modified as necessary.
Any modifications to the minimum required equipment listed herein must be
noted in approved lesson training guides.
Minimum Equipment:
1.
MK 21 MOD 1 helmet or EXO BR MS full face mask with tethered umbil-
ical
2.
Thermal protection garment
3.
Weight belt
4.
Dive knife
5.
Swim fins or shoes/booties
6.
EGS bottle with submersible tank pressure gauge
7.
Integrated diver’s vest/harness
13-8.2
MK 21 MOD 1 and EXO BR MS Surface Supplied Helium-Oxygen Description.
Principle of Operation:
Surface supplied open circuit mixed gas
(HeO2) system
Operational Considerations:
1.
Adequate mixed gas supply
2.
Master Diver required on station
for mixed gas operations
3.
Diving Medical Officer required
on-site for dives deeper than 300
fsw
4.
Recompression chamber required
on site
5.
Planned exceptional exposure
dives or dives exceeding normal
working limits require CNO ap-
proval
6.
Breathing gas heater
7.
Hot water suit
Figure 13-4. MK 21 MOD 1 UBA.
