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Spotlights On Airbus?  
User currently offlineSonic99 From , joined Dec 1969, posts, RR:
Posted (12 years 7 months 18 hours ago) and read 3890 times:

I was always wondering what these lights are on the fuselage of the A330? Are those spotlights of some sort that point at the engines? From my visits to airports whenever I see an A330 take off those lights shine bright and they seem to be brightest when viewed at an angle - this angle in particular... which leads me to that "engine illumination" theory. The lights in this photo are right under the "I" and "R" of the "AIR CANADA".

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Photo © Stephan Curkowskyj

11 replies: All unread, jump to last
User currently offlineAir2gxs From , joined Dec 1969, posts, RR:
Reply 1, posted (12 years 7 months 18 hours ago) and read 3819 times:

Though I'm not at all familiar with the A330, I believe those are the wing/engine illumination lights or the "ice lights". They illuminate the wing/engine nacelles so the flight crew can attempt to determine if ice is adhering to the surfaces.

User currently offlineSonic99 From , joined Dec 1969, posts, RR:
Reply 2, posted (12 years 7 months 2 hours ago) and read 3730 times:

So they are spotlights of sorts.. Are those present on all A-bus aircraft?

User currently offlineAvioniker From United States of America, joined Dec 2001, 1109 posts, RR: 10
Reply 3, posted (12 years 7 months 1 hour ago) and read 3701 times:

Offhand I can't think of any large aircraft in commercial service that doesn't have some means of illuminating the wings for ice inspection.

One may educate the ignorance from the unknowing but stupid is forever. Boswell; ca: 1533
User currently offlineTimz From United States of America, joined Sep 1999, 7130 posts, RR: 7
Reply 4, posted (12 years 6 months 4 weeks 1 day 19 hours ago) and read 3648 times:

Any particular reason these lights aren't on more of the time? I woulda thought if they turn on landing lights 40 miles from the airport (or whatever) they might as well turn the sideways lights on too-- but they usually don't, right?

User currently offline747Teach From United States of America, joined Nov 2000, 176 posts, RR: 1
Reply 5, posted (12 years 6 months 4 weeks 23 hours ago) and read 3568 times:

Sonic99: Those lights are called the "Wing and Engine Scan Lights." The forward one (the larger one) is 7LX, the left wing scan light. The further aft light (the smaller one) is 9LX, the left engine scan light. This is from the A330 AMM, Chapter 33-49-00, Fig. 001. Regards,

User currently offlineFrancoflier From France, joined Oct 2001, 4236 posts, RR: 10
Reply 6, posted (12 years 6 months 4 weeks 19 hours ago) and read 3533 times:

Most all airliners have those lights, even the small turboprops.

I don't know of a regulation about the use of landing lights, but there may be. Usually the company's manual of operation would tell you when and where to turn them on, but even so, the wing inspection lights are not considered landing lights. At night, they would even be a nuisance for other aircrafts in the vicinity upon landing.

Their only purpose is to enable the crew to look at their engines and wing leading edges at night.

Although it looks cool to turn them on when taking off or landing during daylight...  Laugh out loud

Looks like I picked the wrong week to quit posting...
User currently offlineCPH-R From Denmark, joined May 2001, 6461 posts, RR: 3
Reply 7, posted (12 years 6 months 4 weeks 2 hours ago) and read 3473 times:

I have always thought that it was Landing Lights on on passing FL100/10.000 feet, in order to make the aircraft more visible as it descends into the more congested airspaces.

User currently offlineMr Spaceman From Canada, joined Mar 2001, 2787 posts, RR: 8
Reply 8, posted (12 years 6 months 3 weeks 4 days 2 hours ago) and read 3362 times:

Hi guys.

Here's a good photo of a Boeing 727's Scan Light for the left wing. It's pretty BRIGHT eh!

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Photo © Javier F. Bobadilla - IBERIAN SPOTTERS

Trust me, these lights are extremely bright at nightime. I remember flying along in a Royal Airlines 727-2 while enroute to Halifax from Toronto back December of 1996.

We were about a half hour from landing while decending through the dark sky at about 9:30 pm. I was looking out my window on the right side of the jet (just infront of the wing), when the pilots turned on their wing scaning lights. Holly Smokes!!!!  Wow! Suddenly it was so bright I could hardly see, because we were flying through a snow storm and the scan light was illuminating all the snow flakes as they screamed horizontally past my window. It was quite a show!  Big thumbs up

I didn't even know it was snowing out untill those inspection lights were turned on. Thankfully, the pilots turned them off for the final approach, thus I got to see the ground lights when we poped out of the clouds.

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Photo © Dave Kirkby

PS, I agree with Avioniker. I think all airliners have these scan lights to inspect for icing.

Chris  Smile

"Just a minute while I re-invent myself"
User currently offlineN243NW From United States of America, joined Jul 2003, 1658 posts, RR: 18
Reply 9, posted (12 years 6 months 3 weeks 17 hours ago) and read 3264 times:

Here's another picture of the wing (or engine) inspection light on the port side of a new 737. If you enlarge the photo and look to the very left side, you'll see it.

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Photo © 737doctor

-N243NW  Smile

[Edited 2003-07-26 05:04:51]

B-52s don't take off. They scare the ground away.
User currently offlineAloges From Germany, joined Jan 2006, 9285 posts, RR: 38
Reply 10, posted (12 years 6 months 2 weeks 5 days 19 hours ago) and read 3209 times:

My desktop wallpaper just changed, and I'd like to know a thing about 777 spotlights:

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Photo © Andrew Hunt

Are all of those three lights on the left of the frame wing/engine inspection lights?

Walk together, talk together all ye peoples of the earth. Then, and only then, shall ye have peace.
User currently offlineBR715-A1-30 From , joined Dec 1969, posts, RR:
Reply 11, posted (12 years 6 months 2 weeks 5 days 18 hours ago) and read 3195 times:

N243NW, Switch the numbers a little bit, and you have the reg of the pic you just posted. N432WN

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