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Boeing 787 Strobe/Beacon Lights  
User currently offlinePropilot83 From United States of America, joined Jan 2001, 596 posts, RR: 0
Posted (4 years 7 months 2 weeks 1 day 8 hours ago) and read 7271 times:

WOW did you see the strobe and wing tip navigation lights of the 787 taking off. Its so cool and unique compared to other strobe/navigation lights that blink instantly or have a rotating beacon light. On the 787 it kind of fades on and off, and its almost like something out of a Flight Simulator game. It goes on and off from light to bright and back to light and then vice versa. Never seen it on any other airliner, except in Flight Simulator. Pretty interesting, very well indeed.

6 replies: All unread, jump to last
 
User currently offlineFlybaurLAX From United States of America, joined Oct 2008, 638 posts, RR: 0
Reply 1, posted (4 years 7 months 2 weeks 1 day 8 hours ago) and read 7267 times:

Yeah that was really cool. I like the nav lights too. I liked the rear strobes, and was interested to see that there were 2 in the rear.


Boilerup! Go Purdue!
User currently offlineN243NW From United States of America, joined Jul 2003, 1626 posts, RR: 20
Reply 2, posted (4 years 7 months 2 weeks 1 day 7 hours ago) and read 7254 times:



Quoting FlybaurLAX (Reply 1):
I liked the rear strobes, and was interested to see that there were 2 in the rear.

My guess is that the two strobes have to do with dispatch reliability. It's much easier to have one bulb burn out and still dispatch the plane with the other one working instead of wasting time at an outstation by climbing all the way up there to replace a single bulb and thus delaying or canceling the flight.

I could be wrong, though...I don't know how much of the 787's lighting is LED-based and therefore longer-lasting.



B-52s don't take off. They scare the ground away.
User currently offlineT prop From United States of America, joined Apr 2001, 1023 posts, RR: 1
Reply 3, posted (4 years 7 months 2 weeks 1 day 7 hours ago) and read 7254 times:

787 uses LED and HID for exterior lighting, much better than ancient incan stuff.

http://www.boeing.com/commercial/aer...es/qtr_4_06/AERO_Q406_article4.pdf


User currently offlineFX772LRF From United States of America, joined Apr 2009, 675 posts, RR: 12
Reply 4, posted (4 years 7 months 2 weeks 1 day 2 hours ago) and read 7178 times:



Quoting FlybaurLAX (Reply 1):
Yeah that was really cool. I like the nav lights too. I liked the rear strobes, and was interested to see that there were 2 in the rear.

It looks like that's due to the fact that the APU exhaust cone blocks any mounting opportunity for a single strobe and so they probably had to install one on each side so that the strobe could be seen by aircraft coming from both directions.

Judging from this picture:


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Photo © Jeremy Lindgren / New England Airports



Also, it doesn't hurt that having two strobes can increase the dispatch reliability.

-Noah  wave 



Cleared to IAH via CLL 076 radial/BAZBL/RIICE3, up to 3k, 7k in 10, departure on 134.3, squawk 4676, Colgan 9581.
User currently offlineFlybaurLAX From United States of America, joined Oct 2008, 638 posts, RR: 0
Reply 5, posted (4 years 7 months 2 weeks 20 hours ago) and read 7106 times:



Quoting FX772LRF (Reply 4):

It looks like that's due to the fact that the APU exhaust cone blocks any mounting opportunity for a single strobe and so they probably had to install one on each side so that the strobe could be seen by aircraft coming from both directions.

That's exactly what I was thinking. After it was downrange a few miles it just looked like a flat end there with the strobes, kinda neat.



Boilerup! Go Purdue!
User currently offlineFLY2HMO From , joined Dec 1969, posts, RR:
Reply 6, posted (4 years 7 months 2 weeks 20 hours ago) and read 7100 times:

Already being discussed

787 Lighting..whats The Deal? (by Crownvic Dec 15 2009 in Civil Aviation)


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