P&D revision 4

Question 1

When are navigation lights tested and by who

Answer 1

Tested daily 1 hour before sunset by the duty ET

Question 2

Who must give permission before testing navigation lights

Answer 2

Permission is given by the OOW/OOD

Question 3

Where are navigation lights controlled from

Answer 3

Navigation lights control panel (NLCP) on the bridge, versatile console system (VCS) 428 in the on the quartermasters console, and the VCS161 in the opps room

Question 4

List all navigation light colours and locations

Answer 4

Red (port),
Green (starboard), white (mast head steaming light forward and aft) (stern light)

Question 5

List all special operations lights

Answer 5

Not under control (2 steady red lights on mainmast)
RAS (2 steady red lights port and starboard & 1 white light each side between red lights)
Man-over-board (2 flashing red lights port and starboard )

Question 6

Where are special operation lights switched on from

Answer 6

The VCS 428

Question 7

List all other miscellaneous lights

Answer 7

Anchor lights: top of the fwd and aft jackstaff white in colour.
Masthead obstruction: red port and starboard at top of mainmast

Question 8

How are emergency lights fed

Answer 8

Fixed in positions adjacent to their normal counterparts and are supplied via fixed wiring by two series-connected 12 volt batteries

Question 9

Why is is important to switch on the emergency NUC/RAS lights before being hoisted.

Answer 9

If hoisted then plugged in an induced current may be present due to radar and radios aerial interference

Question 10

List the 4 main components of a fluorescent light fitting

Answer 10

Starter
Tube
Choke coil
Switched supply