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QF A333 Strobe Lights Blink 3x Inconsistent  
User currently offlineGIA From Indonesia, joined Oct 2003, 71 posts, RR: 0
Posted (10 years 2 months 2 weeks 3 days 19 hours ago) and read 3869 times:

Hi there

I saw a QF A333 aircraft at YSSY with its strobe lights blinking once every 1.5 seconds. I thought that Airbus strobe lights blinks twice every 3 second. This is how to tell between an Airbus or Boeing aircraft from a distance. Boeing aircraft only blinks once, airbus twice, I think MD-11 blinks twice?

But I am curious with that QF A333? Is it because of the latest release A333?

3 replies: All unread, jump to last
User currently offlineKC135TopBoom From United States of America, joined Jan 2005, 12362 posts, RR: 51
Reply 1, posted (10 years 2 months 2 weeks 2 days 18 hours ago) and read 3727 times:

The double flash from the strobe lights is because there are two seperate strobe lights mounted next to each other on the wingtip. They are timed to flash in sequence. On some airplanes, like the DC-10, A-330-200, A-340-200/300 and MD-11 the double wingtip strobe lights are standard equipment. They are, and have been offered as an option (B-747), on other airplanes, and a few airplanes, like the B-757, B-767, and B-777, the double strobe lights are not offered at all.

This double strobe light package could be optional equipment on the A-330-300. Single flash strobe lights are all that is required for large or heavy commerical airplanes built after 1980.

User currently offlineHighFlyer9790 From United States of America, joined Jul 2005, 1241 posts, RR: 0
Reply 2, posted (10 years 2 months 2 weeks 2 days 4 hours ago) and read 3627 times:

gives the breakdown of light requirements by the FAA in their catalog

User currently offlineQ330 From Australia, joined Dec 2003, 1460 posts, RR: 19
Reply 3, posted (10 years 2 months 2 weeks 1 day 2 hours ago) and read 3496 times:

Quoting GIA (Thread starter):
But I am curious with that QF A333? Is it because of the latest release A333?

All A330s should have double strobes, so I'd say the most likely explanation for this is simply that one of the strobes on one wingtip wasn't working.


Long live the A330!
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