Q4 Flashcards
1
Q
Where are navigation lights controlled from
A
NLCP is on bridge
2
Q
List all statutory lights their colours and location
A
Side lights - port red, starboard green
Mast head steaming lights forward and aft and stern light - white
3
Q
List all combinations of special operation lights
A
- NUC - 4 steady red light port and stbd
- RAS - 4 steady red lights port and stbd a single white light both sides
- MOB - 4 flashing red lights port and stbd
4
Q
Where are the special operation lights switched on from
A
VCS 428
5
Q
List all miscellaneous lights colours and location
A
Anchor lights - white light fitted on fwd and aft jackstaffs
Masthead obstruction lights - red lights port and stbd of the main mast
6
Q
How are the emergency navigation lights fed
A
Supplied via two series connected 12 volt batteries
7
Q
Why do you switch on the emergency lights before hoisting
A
To prevent radar and aerial interference
8
Q
Four main components of fluorescent lights
A
- starter
- tube
- choke coil
- switched supply
