11.14 Lights Flashcards
How long must emergency lights stay powered in an emergency?
10 minutes
What colour is the aft navigation light?
White
What colour is the right navigation light?
Green
What colour is the left navigation light?
Red
What colours are the aircraft Nav lights?
- Red visible from the left
- Green visible from the right
- White visible from behind
What is the purpose of the navigation lights?
To mark the aircraft’s position and orientation with reference to the observer
An aircraft has a flashing white light at the top and bottom of the fuselage, what is it?
Strobe type anti- collusion lights
What frequency does a rotating beam anti- collusion light have?
80-90 flashes per minute
What is the principle operation of strobe anti- collusion light?
Uses a set of capacitors to hold a charge which is released across a gap to produce a flash
If retractable type landing lamp extended at too high airspeed, what will happens?
- The unit will be blown back into retracted position
- lamp will go out
Why is there a time limit on operation of landing lamp during test on ground?
Because the lamp has no cooling airflow so it will get very hot
What is the likely power supply to the lamps?
28V DC or AC
Which areas of an aircraft are to be illuminated by ice inspection lights?
- leading edge of wing
- Engine intake lip
What angle are the white lights at?
70
Starboard is?
Green
