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L1011 Belly Lights  
User currently offlineA300 American From United States of America, joined Jan 2000, 173 posts, RR: 1
Posted (8 years 6 months 5 days 5 hours ago) and read 2258 times:

Hello all,

This will be my first posting in the TECH/OPS section, so please excuse my ignorance. Also, I couldnt find this topic.

Back in the day, I remember looking out the window at night during our MIA/LIM route on Eastern Airlines L1011s. I vividly remember staring at the engine covers and seeing about 4 or 5 red lights blinking (turning on and off slowly) in a row. Nowadays, I believe the gran majority of planes have a single strobing red light. Anyway, why the 4 to 5 lights? and why in a row? I also had a poster of an EA L1011 and I remember recalling the picture of the lights on the belly of the airplane. Thanks in advance!!

American A300

4 replies: All unread, jump to last
 
User currently offline474218 From United States of America, joined Oct 2005, 6340 posts, RR: 9
Reply 1, posted (8 years 6 months 5 days 5 hours ago) and read 2242 times:

The L-1011 is equipped with two (2) rotating anti-collision lights on the bottom of the fuselage and two (2) rotating anti-collosion lights on top of the fuselage. On the later build aircraft the rotating lights were replaced by strobe lights.

User currently offlineBohica From United States of America, joined Feb 2004, 2717 posts, RR: 0
Reply 2, posted (8 years 6 months 4 days 22 hours ago) and read 2161 times:

I read in an article the reason they had two beacons on the top and two on the bottom is for redundancy. If one in each set burns out it can be MEL'd and the plane can be dispatched.

User currently offlineMatt72033 From United Kingdom, joined May 2005, 1617 posts, RR: 4
Reply 3, posted (8 years 6 months 4 days 18 hours ago) and read 2141 times:

Quoting Bohica (Reply 2):
I read in an article the reason they had two beacons on the top and two on the bottom is for redundancy. If one in each set burns out it can be MEL'd and the plane can be dispatched.

while thas true you can MEL it if there is none operative!
i think theres a note in the MEL saying you have to adopt a different procedure to show that the aircrafthas intent to move or the engines are running! i think you can use the strobe lights for this!


User currently offlineHAWK21M From India, joined Jan 2001, 31684 posts, RR: 56
Reply 4, posted (8 years 6 months 10 hours ago) and read 1912 times:

Quoting Matt72033 (Reply 3):
while thas true you can MEL it if there is none operative

What about Night ops.
regds
MEL



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