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USairways16BWI
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Lights Illuminating The Tail

Wed Sep 14, 2005 5:36 am

I see this on a some planes, but not all of them. What purpose do the lights serve, and why are they on certain airlines/planes? I think it looks cool at night, where the tail logo is nicely lit up.
 
troubleshooter
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RE: Lights Illuminating The Tail

Wed Sep 14, 2005 6:01 am

I think you are talking about logo lights. Some airlines don´t use them. Sometimes they are inoperative and sometimes the crew forget to switch them on.
Their purpose is to illuminate the airlines logo which is often painted on the vertical stabilizer. This enhances recognition and is a kind of advertising, if you want.
I think additionally it improves ground safety. It makes the aircraft more visible during ground maneuvering.
 
SlamClick
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RE: Lights Illuminating The Tail

Wed Sep 14, 2005 7:32 am

I've watched a plane go by below me over the city of Los Angeles with his logo light on. The plane was clearly visible the whole time, unlike those just equipped with nav lights and rotating beacons. Sometimes these just get lost in the sea of lights below.

I've heard people comment that they didn't want anyone on the ground to know who made the noise. There is one argument against them.
 
lorm
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RE: Lights Illuminating The Tail

Wed Sep 14, 2005 8:16 am

All UA mainline aircraft have the logo lights deactivated. I'm pretty sure AQ and HA use them at night.
 
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nonfirm
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RE: Lights Illuminating The Tail

Wed Sep 14, 2005 9:12 am

Some logo light were deactivated that we mounted on the wing tips due to vibration they would be replaced very often.now with the 737-ng fleet anyway the logo light has been moved up to the horizontal stab and they last much longer.all of our MD-80's and 737-400 with wing tip mounted logo light are gone.
 
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zeke
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RE: Lights Illuminating The Tail

Wed Sep 14, 2005 11:32 am

Airbus logo lights only work with some flaps selected or with the gear down
 
ha763
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RE: Lights Illuminating The Tail

Wed Sep 14, 2005 4:57 pm

Quoting LorM (Reply 3):
I'm pretty sure AQ and HA use them at night.

HA always has their logo lights on when they are on the ground and turns them off whenever they decide after takeoff. AQ tends to use theirs only for taxiing and takeoff.
 
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HAWK21M
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RE: Lights Illuminating The Tail

Wed Sep 14, 2005 5:09 pm

http://rds.yahoo.com/S=96062883/K=aircraft+logo+light/v=2/SID=w/l=IVS/SIG=124fjcl5h/EXP=1126771572/*-http%3A//www.flightsim.com/review/dw-emb/night.jpg


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Quoting Zeke (Reply 5):
Airbus logo lights only work with some flaps selected or with the gear down

What sequence on the circuit.

Logo lights.
Useful to illuminate the Vertical Stablizer.Part of Advertising.
Light Assys mounted on Wingtips on B737 Classics & on Horizntal Stablizers on B737NG.
The Light Assy Tilt is adjustable.
Deffered item under MEL.
regds
MEL
 
troubleshooter
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RE: Lights Illuminating The Tail

Wed Sep 14, 2005 9:54 pm

Quoting Zeke (Reply 5):
Airbus logo lights only work with some flaps selected or with the gear down

This function is optional for the 737NG. I just read about it in a training manual, never saw it in real life.
 
ZRH
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RE: Lights Illuminating The Tail

Thu Sep 15, 2005 1:32 am

As I know Swiss uses them always on landing, take off and taxiing.

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litz
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RE: Lights Illuminating The Tail

Thu Sep 15, 2005 1:32 pm

ATL at night is also a large contrast : every single Delta tail is dark (how fitting, with today's ch11 filing) and every single green "A" is brightly lit ...

It's quite striking when you're taxiing past and you look down the long rows of planes parked at the gates, going past C to B, A, and T.

- litz

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