MK 16 MOD1 Flashcards
Depth Limits N202
150 Normal, 190 Working limit
Depth Limits He02
300 Normal, 300 Working limit
Duration of media, which lasts longer
Diluent
Duration of 02
Approx 5 hours
Canister duration dependent on
Depth/Temp
Buoyancy
+/-2 Lbs in seawater
Advantages of Mk 16
Minimal surface bubbles Optimum efficiency of gas supply Portability mobility comms ffm modular assembly LO-Mu Low acoustic
Disadvantages of MK 16
Extended deco/long BT for deep dives
Limited physical and thermal protection
No voice comms/only ffm comms
extensive pre/post
MK 16 mod 1 - 4 systems
Housing
electronics
recirculation
Pneumatic
Housing lost during dive
Abort
Scrubber’s purpose
Removes C02 from exhaled gases
C02 absorbent
Soda Sorb 4-8 mesh
Sofnolime 4-8/8-12 mesh
Diaphragm Dump Valve
Vents excessive gas in the loop
FFM toggle lever
Up/Shut Down/Dive
PEA hydrostatic switch transition
Descent @ 33’ switchs from .75 to 1.3
Ascent @ 13 switchs from 1.3 to .75
Both +/- 2’
PEA doesn’t transition by ___’ abort dive
40
Bendix fittings are
Finger tight, red your dead
Primary Battery volts
6.5 DC
Primary Battery Secondary display Operational range
1.3 - .00
Primary Battery Secondary display Exceptional range
.00-.95
Discard Primary battery if it falls below
5.2 volts, 70% of -.95
Secondary display functions concurrently but independent of the ___________
PEA
Secondary display’s these items
Condition of breathing medium 3 sensors, Primary battery voltage, secondary batteries
02 addition valve, LPM
piezoelectric crystal type, 5LPM
Pneumatics Subsystems
02 subsystem, Diluent
Bottles type and CUFT
inconel 718, 7.5 CU
Regulator Body reduces HP from 3000
230-270 PSIG
Regulator for BC reduces HP from 3000
120-140 PSIG
MK11 BC Characteristics
Harness/bladder/Quick Release/Air inflation/ 44Lbs of Buoyancy/ 20 litre flask
BC Dump valves lift
2-3 PSI
PP of diluent gas
D+33/33 -1.3
CNS O/2 toxicity increased if exposed
1.3/1.6 ATA
Deeper than 20 do not exceed ___ ata for ___ mins
1.45, :15
PP02 on deep dives can reach __ for ___ mins
1.9, :04
CNS EP NON Convulsive
Ascend to lower PP02, Add Diluent, Secure 02
CNS EP Convulsive
Ventilate with diluent-Maintain depth with low pp02, Abort, If diver remains unconscious surface treat for omitted D/AGE.
Daily and weekly limit for Mk16 dive
4:00 daily 16:00 Weekly
ATA that is excluded from the time limit
.7 mode
Pulmonary/Visual 02 tox symptoms during multi mission
Stop diving wait a minimum of 24 hours
Dive Training at least half should be conducted @___
night or low Vis conditions.
Work up dives are recommended prior to diving deeper than
130
N2/02 Profiles for 1.3 ATA
1 deco 3 no D @150, 2 Deco no additional @ 150, 151-190 waiver
He02 Profiles for 1.3 ATA
1 Deco, 3 no D @ 200, 2 Deco @ 200, 201-300 1 Deco.
MK 16 in MCM environments must have a
Immediate, level I chamber on site.
Flying after diving N2/02
Highest REPET in the last 24:00
Flying after diving He02
No-D total BT less than 2:00, wait 12:00, NO D greater than 2:00 wait 24:00
Check secondary Display every
2-3 mins
2 categories of maintenance
Scheduled/Planned, Unscheduled/Corrective
Depot level repair
NAVEODTECHDIV
LO MU recert
60M
FARS are submitted
Electronically via PMS-EOD
8 pms docs
Nav sea cert, Pedigree, Intial setups, Pre/Post, RECs, FAR, Dive Log, Mait log
OTPA charges, Carried by, Fittings PSI and makeup
6 bottels to 3000PSI, 2, 5000 stainless
OTPA supplied air source psi
125-3000
Drive air, relief valve
125, Lifts 140 seats 130 +/- 5
He02 drive air pressure
325-3250 PSi
OTPA supply filter
40 Micron
Haskel pump drive psi, supply boost from to psi
125 +/- 5, 350 - 3250