11.14 Flashcards
Why must halogen bulbs not be touched with bare hands?
-reduce surface life
-grease can bake in
What is flashing frequency of strobe light?
40-100 cycles per minute
What are the advantages of LED’s
-30% reduced mass
-50-75% reduced power consumption
-3-15 times longer life
-resistant to knocks and vibration
What are the disadvantages of LED’s?
At 80 degrees life span is reduced
Which side are green and red nav light?
Red-left
Green-right
What degrees of visibility should each light have?
Red 110
Green110
White (rear) 70
Are landing lights mandatory?
Yes
What are the typical positions of landing lamps?
Wing leading edges, undercarriage legs and flap track fairings
What types of lights are landing lights?
Typically fixed, intense narrow beams of white light
What is important about retractable units?
They only switch on when extended
What powers emergency lighting?
Aircraft batteries or emergency battery packs
How is main lighting powered?
Connected to various bus bars to prevent main lighting being lost in electrical failure
What is the purpose of standby lightning?
In total electrical loss lower level battery powered lights
What are the regulations on instrument lighting?
Sufficient but not direct into pilots eyes
What is the purpose of flood lighting?
General illumination
