Lighting

Question 1

When are navigation lights tested and by who?

Answer 1

They are tested 1 hour before sunset and by the ME department

Question 2

Whose permission must be gained to turn on the navigation lights to test them?

Answer 2

MEO

Question 3

Where are navigation lights controlled from?

Answer 3

Navigation light control panel

Question 4

List all statutory navigation lights, their colours and location?

Answer 4

Steaming ahead lights - white, up atop the main masts
Stern lights - white, deck level at the rear of the ship
Side lights - red on port side deck level. Green on starboard deck level

Question 5

List all combinations of special operations lights

Answer 5

Not under command - 4 steady red lights
Replenishment at sea - 4 steady red lights with 2 steady white lights
Man over board - 4 flashing red lights

Question 6

Where are the special operations lights operated from?

Answer 6

Navigational light control panel

Question 7

List all other miscellaneous lights and their colours

Answer 7

Anchor lights - white, on top of the jack staffs

Masthead obstruction lights - red, on the main mast on port and starboard

Question 8

How are the emergency navigation lights powered?

Answer 8

Powered by 2 series connected 12 V batteries mounted as close as possible to the light

Question 9

Why is it important to switch on the emergency special operations lights before hoisting them?

Answer 9

Because the radars and aerials can induce a current in the wires

Question 10

List the 4 main components in the florescent lights

Answer 10

Starter
Tube
Choke Coil
Switched supply