3-2: DC Comms

Question 1

JA/NET 51

Answer 1

Captain’s battle control

Question 2

JL/NET 52

Answer 2

Battle lookouts

Question 3

1JV/NET 53

Answer 3

Maneuvering and docking

Question 4

2JV

Answer 4

Engineer’s circuit

Question 5

2JZ/NET 80

Answer 5

Damage and stability control: DCC and all DCRS

Question 6

3JZ

Answer 6

Main deck repair: DCC and DCRS 1

Question 7

4JZ/NET 81

Answer 7

FWD repair: DCC and DCRS 2

Question 8

5JZ/NET 82

Answer 8

AFT repair: DCC and DCRS 3

Question 9

6JZ/NET 85

Answer 9

DCRS 4/engineer’s circuit

Question 10

7JZ/NET 86

Answer 10

Engineer’s repair: DCC, main eng control, DCRS 5

Question 11

8JZ

Answer 11

Crash and salvage repair

Question 12

9JZ

Answer 12

FWD Mag sprinking and ordnance repair

Question 13

10JZ

Answer 13

AFT Mag sprinking and ordnance repair

Question 14

11JZ

Answer 14

Galley deck and island structure repair

Question 15

12JZ

Answer 15

Fire pump control

Question 16

X2JZ

Answer 16

Auxiliary damage and stability control circuit

Question 17

X40J

Answer 17

Casualty comms

Question 18

JG

Answer 18

Aviation services

Question 19

X means…

Answer 19

auxiliary

Question 20

Primary connection between between DCO and DCRS stations

Answer 20

2JZ

Question 21

Difference between Interior Communications (IC) systems and IVCS circuits?

Answer 21

IC apply to alarms (bilge, CO2) and announcing systems; IVCS is a station to station communication system

Question 22

How should telephone talkers document messages?

Answer 22

Talker log with standard DC plotting symbols; repeat every message word for word, do not paraphrase

Question 23

Components of a message

Answer 23

To whom, from whom, about what

Question 24

Standard telephone talker phrases

Answer 24

“All stations,” “Say again,” “Silence” (DCA may reserve the right to sue this command or may permit a station with a priority order to use it)

Question 25

How does the DC comms chain of control function?

Answer 25

Each ship shall designate a DCRS as a secondary DCC, a complete succession of command of DC should be posted in each DCRS (the physical location of each station, seniority of the Repair Station Officer, and the comms facilities available should be considered when designating succession to command)

Question 26

What kind of info should be included in the DC Comms Bill? Why is one recommended?

Answer 26

Lists circuits alphabetically with the location of associated outlets (when prepping alternate circuits recognize that all telephones in a circuit are connected in parallel so if al one telephone, cable, jackbox, etc short circuits, all comms on the circuit will be lost unit the affected portion is isolated)

Question 27

Major communications subsystems

Answer 27

sound powered phones, IVCS, ship service phone, announcing systems, intercommunication systems, DC Wirefree Comms (WIFCOM)

Question 28

What does IVCS stand for?

Answer 28

Interior Voice Communications System

Question 29

What circuits are classified for emergency purpose?

Answer 29

X40J (pumpkin line), Z50J (Fog foam circuit)

Question 30

What type of ships have 6JV (ballast control) circuits?

Answer 30

combatant/auxiliary type ships that are equipped with a ballasting/deballasting system

Question 31

Where are the G system bells installed on the ship?

Answer 31

pilothouse, aux steering station, each deck office, all living/working/recreational areas