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777-300 Boxes On Top Of Fuselage  
User currently offlineSABE From Argentina, joined Jun 2005, 156 posts, RR: 0
Posted (9 years 6 months 1 week 6 days 2 hours ago) and read 5181 times:

Hi all,

Sorry if this has been asked before -- I've done a few searches and could not come up with an answer.

What equipment is located inside those boxes on the top of the fuselage on a 777-300? I noticed this last week at NRT while looking at the JL planes. I looked at some pictures on the database and some 773s seem to have only one, while other ones have two.

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Let me take this chance to thank all the aviation experts (too many to list here) who enlighten the rest of us with your knowledge and experiences! This forum is amazing!

TUS-DFW-EZE... can't wait to visit home again!
3 replies: All unread, jump to last
User currently offlineRichardPrice From , joined Dec 1969, posts, RR:
Reply 1, posted (9 years 6 months 1 week 6 days 1 hour ago) and read 5141 times:

Looks like your bog standard satellite housing for onboard internet or phone access.

JAL does have a contract with Boeing to have their long haul fleet outfitted with the Connexion service, although that is now defunct.

User currently offlineTristarSteve From Sweden, joined Nov 2005, 4355 posts, RR: 33
Reply 2, posted (9 years 6 months 1 week 5 days 22 hours ago) and read 5089 times:

They are satellite dishes. Not all aircraft have them because if you are only using the satellite for phones and radio, you don't need a dish any more. Most of our B777 and B744 have flat plate antennas, one on each side of the fuselage. They are nearly invisible.

User currently offlineAndrewtang From United Kingdom, joined Jun 2001, 466 posts, RR: 10
Reply 3, posted (9 years 6 months 1 week 5 days 6 hours ago) and read 4967 times:

The frontal big antenna is the Boeing Connexion antenna which is going to be useless end this year. As for the rear big antenna, it's the Satcom antenna. Used for satellite communication.

As for what TristarSteve said, this is the antenna plate.

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[Edited 2006-11-20 12:51:33]

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