Steps 15 - 23 Diving Initiatiates

Question 1

Step 15

Answer 1

Order by: SCOOW - Action by: DSC
“DSC, Open all Main Ballast Tank Flood valves”

Question 2

Step 16

Answer 2

Order by: SCOOW - Action by: DSC120
Open 5 + 6 MBT External vent valves (45 Seconds)
Open 4 MBT External Vent Valves (45 Seconds)
Open 1 + 2 + 3 MBT External vent valves
Report the status of these valves every 5 minutes to SCOOW

Question 3

Step 17

Answer 3

Order by: XO/WL - Action by: MCC
“MCC, 30 metres back to 17.5 metres”

Question 4

Step 18

Answer 4

At 12 metres pipe on Main IC
“Report all Hatches from forward”.

Ideally 10 minutes after dive.

Question 5

Step 19

Answer 5

Once all hatches have been reported as Dry and safe
report to Command. DMEO: “Submarine is dry and ready to dive”

Question 6

Step 20

Answer 6

Order by: DSC - Action by: TMA1
At 12 metres “Report the Tundish”

Question 7

Step 21

Answer 7

Shut External Vent and flood valves as required
Set cavitation switch to position 2 (If propulsion is in Auto Control)

Question 8

Step 22

Answer 8

Action by: TMA1
Announce Loudly in the CR:

“FULL BORE IN THE TUNDISH”

Question 9

Step 23

Answer 9

Action by: DSC
Shut the Induction mast vent valve and report: “Induction mast
flooded; vent valve shut”