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Blinking Lights On Private Jets  
User currently offlineLOT767-300ER From , joined Dec 1969, posts, RR:
Posted (14 years 4 days 23 hours ago) and read 2278 times:

Ok heres the deal.

I have been spotting by ORD the other day. I saw a few nice planes like the 747-200F of AF Cargo, a 744F of SIA Cargo and the A320 Mexicana Retrojet. Well anyways then comes in for a landing a Learjet. It was blinking all of its lights, the next private that i see 30 minutes later is also blinking all the lights while landing. The commercial airliners didnt do this just the private ones.

Can anyone explain why would the private jets were blinking lights while on approach?

8 replies: All unread, jump to last
User currently offlineArch89U From United States of America, joined May 2001, 188 posts, RR: 0
Reply 1, posted (14 years 4 days 23 hours ago) and read 2253 times:

Are you sure all were blinking? Strobes would give a sense of blinking, as would a beacon light, but Nav lights and Landing lights don't blink. It is possible they were blinking their landing light briefly for traffic avoidance reasons.


User currently offlineArch89U From United States of America, joined May 2001, 188 posts, RR: 0
Reply 2, posted (14 years 4 days 23 hours ago) and read 2237 times:

I forgot to mention in my earlier post. A beacon light would only give a sense of blinking because of an error in human vision, which makes stationary lights seem like they are moving. Also, it is possible the planes could have been moving in very jerky motions, momentarily hiding the beacon light, and making it appear to be blinking.


User currently offlineJetguy From , joined Dec 1969, posts, RR:
Reply 3, posted (14 years 4 days 22 hours ago) and read 2233 times:

What you probably saw was an airplane with "Pulse Lights" installed. It's a very common option that pulses or flashes the landing and recognition lights to enhance visibility and to also save on bulb replacement costs. A number of aircarriers are starting to install the systems on their aircraft also - Southwest for example.

User currently offlineLOT767-300ER From , joined Dec 1969, posts, RR:
Reply 4, posted (14 years 4 days 6 hours ago) and read 2185 times:

I am 100% sure they were blinking. And it was only on the private jets.

Thanks for the expalantion guys.

User currently offlineRunway From United States of America, joined Jun 2005, 0 posts, RR: 0
Reply 5, posted (14 years 4 days 4 hours ago) and read 2177 times:

You may have seen a Hawker 125 series, although it's common to many aircraft. They do use it to increase their visibility to others, and it is believed to ward off any birds that may be on or around the field.

User currently offlineH. Simpson From United States of America, joined Mar 2001, 949 posts, RR: 2
Reply 6, posted (14 years 4 days 3 hours ago) and read 2167 times:

I agree with LOT767-300ER, I did see one last few months a private jet blinking it's landing lights (on the ldg gears, right?) app to LGA, it definitely catchs my attention.


User currently offlineLOT767-300ER From , joined Dec 1969, posts, RR:
Reply 7, posted (14 years 3 days 22 hours ago) and read 2147 times:

Yea definately it was blinking. Birds? I dont think so because the other planes would have been doing it..now remember that a plane is coming in every minutes above and im in the same spot so its not an eye illusion.

User currently offlineXFSUgimpLB41X From United States of America, joined Aug 2000, 4294 posts, RR: 36
Reply 8, posted (14 years 3 days 20 hours ago) and read 2139 times:

That's definitely the pulse lights... some new aircraft have them and some older aircraft are having them installed. It is just the wingtip landing lights blinking back and forth. The Saratogas I fly are equipped with them. I put them on pulse below 5000, and on short final i generally bring them onto constant. Studies have shown they decrease the chance of bird strikes. More and more aircraft are getting them. I see them maybe twice a day or so....especially with all the New Piper aircraft that come into town.

Hope this helps some.... peace.

Chicks dig winglets.
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