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Strange Big Buldge On Top Of 737  
User currently offlineLeamside From United States of America, joined Apr 2000, 443 posts, RR: 1
Posted (8 years 6 months 2 weeks 2 days 17 hours ago) and read 2373 times:

What is the strange protrusion shown on this 737? Looks similar to that on the nose of Air Force One.

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Photo © Jack Hannen



Also seen from a more distand but different angle here.

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6 replies: All unread, jump to last
 
User currently offlineRamerinianair From United States of America, joined Nov 2003, 1486 posts, RR: 0
Reply 1, posted (8 years 6 months 2 weeks 2 days 16 hours ago) and read 2336 times:

At first look, I was going to tell you that the second pic was a 747 and the bump is normal!! On further inspection, I could only think that this bump would be for sending or recieving signals. Is this only on westjet? Do they maybe have inflight internet or satellite tv?
SR


W N = my Worst Nightmare!!!!!
User currently offlineETStar From Canada, joined Jan 2004, 2103 posts, RR: 9
Reply 2, posted (8 years 6 months 2 weeks 2 days 16 hours ago) and read 2310 times:

LiveTV antenna for their IFE? Or was there another Westjet aircraft parked next to it  Big grin

User currently offlineUSAFHummer From United States of America, joined exactly 13 years ago today! , 10685 posts, RR: 54
Reply 3, posted (8 years 6 months 2 weeks 2 days 16 hours ago) and read 2290 times:

Probably the Live TV antenna...the F9 and B6 Airbus fleets have similar bulges as well...

Greg


Chief A.net college football stadium self-pic guru
User currently offlineCxh From Canada, joined Oct 2004, 139 posts, RR: 0
Reply 4, posted (8 years 6 months 2 weeks 2 days 16 hours ago) and read 2251 times:

Yes, it is the LiveTV antenna assembly. That's why it took WS so long to get FAA approval for LiveTV; it was the exterior, not interior issues (I'm told). It was the first LiveTV installation on a 73G.


I've seen the future, I can't afford it. - Martin Fry
User currently offlineDeltaGuy From , joined Dec 1969, posts, RR:
Reply 5, posted (8 years 6 months 2 weeks 2 days 16 hours ago) and read 2243 times:

I'll bet it adds a decent amount of parasite drag, even though it's pretty rounded...it ruins the nice smooth top spine of these aircraft!

Oh yeah, and what's on the nose of AF1 is an IFR (In Flight Refueling) receptacle...so the Air Farce tanker can lower a boom in there and pass gas to the 747 so it can have longer endurance.

DeltaGuy

User currently offlineLeamside From United States of America, joined Apr 2000, 443 posts, RR: 1
Reply 6, posted (8 years 6 months 2 weeks 1 day 13 hours ago) and read 1868 times:

Thanks for the feedback folks. Much appreciated.

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