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Citation X Anti-collision Light: Two Locations  
User currently offlineKearnet From United States of America, joined Sep 2001, 213 posts, RR: 0
Posted (6 years 6 days 19 hours ago) and read 2385 times:

Spotting as I often do at KLEB I have noticed that there are two configurations on the Citation X in regards to the anti collision light. Some models have it on top of the H-Stab as you would expect, and others have it below the H-Stab ridge (For lack of a better term)


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What is the reason for the latter config. Doesn't placing it there reduce it's ability to warn of a collision especially in head-on situations?

8 replies: All unread, jump to last
 
User currently offlineNbgskygod From United States of America, joined May 2004, 726 posts, RR: 1
Reply 1, posted (6 years 6 days 7 hours ago) and read 2331 times:



Quoting Kearnet (Thread starter):
Spotting as I often do at KLEB

First off, I didn't think anyone else ever spotted at LEB, glad to hear there is another one.

From looking at some of the manufacturing years on Citation X's with both top and bottom beacon, it looks like its simply a customer option.



"I use multi-billion dollar military satellite systems to find tupperware in the woods."
User currently offlineDashTrash From United States of America, joined Aug 2006, 1438 posts, RR: 2
Reply 2, posted (6 years 6 days 6 hours ago) and read 2319 times:

Can't remember the serial number breaks, but the aircraft with the beacon on the bottom are the HGW versions. Max takeoff weight was bumped up 300 lbs, and more powerful engines.

Beacon on the top are lower serial numbers with the standard weights.


User currently offlineG4Doc2004 From United States of America, joined Feb 2004, 123 posts, RR: 0
Reply 3, posted (6 years 6 days 5 hours ago) and read 2312 times:

Actually, the beacon is moved to the lower part of the fairing to accomodate a SATCOM antenna mounted inside the fairing.

[Edited 2008-04-11 13:41:29]


"Failure to prepare is preparing to fail"--Benjamin Franklin
User currently offlineCURLYHEADBOY From Italy, joined Feb 2005, 940 posts, RR: 2
Reply 4, posted (6 years 6 days 5 hours ago) and read 2299 times:

I was about to start a thread on the Citation X lights, so I guessed I'd better join this one.
I have a question: Does the CX have intermittent landing lights? I ask because I noticed one coming in for landing at my local airport (LIN), in daylight, and I noticed that, on that particular aircraft, landing lights were coming on and off at regular intervals all the way to touchdown, I couldn't answer myself about the reason why, to the point I thought of a malfunction. But the "blinking" was so regular that I thought it might be a normal feature. Is it normal? And if so, what's the purpose of having intermittent landing lights?
Thank you.  Smile



If God had wanted men to fly he would have given them more money...
User currently offlineG4Doc2004 From United States of America, joined Feb 2004, 123 posts, RR: 0
Reply 5, posted (6 years 6 days 4 hours ago) and read 2287 times:

Curleyheadboy, those are pulse lights, an option that "flashes" the landing lights in the root of each wing on and off, to increase visibility. The Citation X I work on does not have them, but I have seen them on NetJets aircraft.


"Failure to prepare is preparing to fail"--Benjamin Franklin
User currently offlineCURLYHEADBOY From Italy, joined Feb 2005, 940 posts, RR: 2
Reply 6, posted (6 years 6 days 3 hours ago) and read 2272 times:



Quoting G4Doc2004 (Reply 5):
Curleyheadboy, those are pulse lights, an option that "flashes" the landing lights in the root of each wing on and off, to increase visibility. The Citation X I work on does not have them, but I have seen them on NetJets aircraft.

Thank you for answering my question, those flashing were infact the wing root lights, while the nose gear light was steady. It looks like the Citation X has a lot of options for the customer to choose about lights!  Wink I had never seen something like that. I think it's safe to assume those pulse lights are used only during daytime, aren't them?



If God had wanted men to fly he would have given them more money...
User currently offlineCptSpeaking From United States of America, joined Apr 2006, 639 posts, RR: 1
Reply 7, posted (6 years 6 days 3 hours ago) and read 2269 times:



Quoting CURLYHEADBOY (Reply 6):
I think it's safe to assume those pulse lights are used only during daytime, aren't them?

Nope...you'll see them at night too. I've seen them on several different types of aircraft, from GA to 737s...



...and don't call me Shirley!!
User currently offlineDashTrash From United States of America, joined Aug 2006, 1438 posts, RR: 2
Reply 8, posted (6 years 5 days 19 hours ago) and read 2234 times:



Quoting G4Doc2004 (Reply 3):
Actually, the beacon is moved to the lower part of the fairing to accomodate a SATCOM antenna mounted inside the fairing.

Pretty sure that's not the only reason for the beacon moved. I've heard of ground security systems in there too. Also, at least at my company, the beacon location does disclose whether or not you're flying an HGW airplane. Serial number will tell you as well.

Quoting G4Doc2004 (Reply 5):
Curleyheadboy, those are pulse lights, an option that "flashes" the landing lights in the root of each wing on and off, to increase visibility. The Citation X I work on does not have them, but I have seen them on NetJets aircraft.

I think it's an option on the newer X's. Works off the recog light switch. You can select pulse or steady with them.


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