11.14 LIGHTS👌🏼 Flashcards
Why should you never touch bulbs with bare hands
- deposit grease and salts from the skin
- reduces service life
What are strobe lights used for
- Used for anti- collision and beacon lights
- 40-100 cycles per minute
LED advantages?
- reduced mass
- reduced power usage
- longer life span
LED disadvantage
- operating temp >80*c reduces LED service life
LED disadvantage
- operating >80*c reduces service life
Explain the red NAV light
- From ahead, visible 110* to left side
Explain green NAV light
- From ahead, visible 110* to right side
Explain white tail light
- From rearward, visible 70* left and 70* right
What are the 2 types of anti-collision lights
- rotating beam
- flashing light
Where are anti-collision lights usually located
Top and bottom of fuselage
What kind of intensity are strobe lights
- high intensity flash (by using capacitors)
What is the typical flashing frequency of a strobe light
60-70 flashes per min
What power rating is used for landing lights
600W
Explain a retractable unit
Lamp illuminates when fully extended to protect from heat build up
Power rating for taxi/turn-off lights
250W
Why do we have ice inspection lights
- To illuminate the area to inspect for ice formation
Where are the ice inspection lights located
Side of fuselage
What is the power supply normally for a ice inspection light
60W-250W
What are wing illumination lights and where are they located
-allow for visual inspection on wing leading edges and nacelles for ice formation
- located on left and right side of fuselage (60W-250W)
What is the function of logo lights
- allow ATC to identify
- promote airline
Where are the logo lights fitted
On upper surface of horizontal stab
Explain floodlighting
- general illumination of instruments, control panels, flooring etc
- usually LED form
