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stephen88
Topic Author
Posts: 14
Joined: Mon Jul 24, 2006 11:26 pm

A320 antenna locations

Sat Apr 04, 2020 1:24 am

From the image...

Image

Are these correct? And can you fill in the unknowns?

Many thanks.

1. VHF1
2. SatCom
3. VHF2
4. VHF3
5. ???
6. ELT
7. ???
 
User avatar
Starlionblue
Posts: 21254
Joined: Fri Feb 27, 2004 9:54 pm

Re: A320 antenna locations

Sat Apr 04, 2020 2:22 am

Caveat: I don't know the A320 specifically, but the locations looks pretty much like on an A330.

- I don't think 7 is an antenna. Some sort of drain mast for the APU?
- I'm pretty sure 2 is the Internet/TV satellite receiver. The dish is under the dome.
- No idea what 5 is.

There are a bunch of other antennas. Some are not visible on the outside. Some are just not visible in the pic, such as radar altimeter antennas.
Last edited by Starlionblue on Sat Apr 04, 2020 2:40 am, edited 3 times in total.
 
letsoc
Posts: 8
Joined: Sat Apr 04, 2020 2:19 am

Re: A320 antenna locations

Sat Apr 04, 2020 2:28 am

According to airbus amm (i used a320-214 as reference, i dont work on iae powered a320-23x) satcom antenna is aft of vhf 3.
I have no idea what 5 is,
7 is apu drain mast for fuel/oil.
 
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dlednicer
Editor
Posts: 561
Joined: Sat May 28, 2005 9:35 am

Re: A320 antenna locations

Sat Apr 04, 2020 6:22 am

2 is the LiveTV satcom dome containing a TV downlink antenna. These have now all been replaced on the JetBlue aircraft with the FlyFi domes that cover the TV downlink antenna and broadband uplink/downlink antenna.

Also, you don't have them marked, but there are two ADF antennas ahead of the satcom dome.

Here is an antenna map:
http://www.british-caledonian.com/image ... 20copy.jpg
http://www.british-caledonian.com/image ... 20copy.jpg
 
StereoTechque
Posts: 234
Joined: Sat Nov 28, 2015 7:24 am

Re: A320 antenna locations

Sat Apr 04, 2020 6:30 am

#7 is drain for fluids from the APU Compt. Kiss seals. It drains fluids when the aircraft is in the air sensing a certain pressure difference.(No elec sensors used)
 
Dalmd88
Posts: 3299
Joined: Fri Jul 28, 2000 3:19 am

Re: A320 antenna locations

Sat Apr 04, 2020 2:00 pm

Number five looks like GPS. They are small and look like a little boat with a keel. Always on top to connect to sat.
 
Dalmd88
Posts: 3299
Joined: Fri Jul 28, 2000 3:19 am

Re: A320 antenna locations

Sat Apr 04, 2020 2:03 pm

You also missed the transponder antennas. They are real flat ovals. One is right above the 'B'. The other is on the fwd belly. the work with the TCAS system.
 
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akoma
Posts: 32
Joined: Sun Jun 18, 2017 12:51 pm

Re: A320 antenna locations

Sat Apr 04, 2020 7:02 pm

Dalmd88 wrote:
Number five looks like GPS. They are small and look like a little boat with a keel. Always on top to connect to sat.

GPS antennas on the A320 series aircraft are usually installed on the crown between the cockpit and first passenger door. This location minimises the signal loss in the cable runs to the MMRs installed in the equipment bay below the cockpit. The antennas are small almost flat units and they look like tiny bulges on the aircraft skin.
 
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akoma
Posts: 32
Joined: Sun Jun 18, 2017 12:51 pm

Re: A320 antenna locations

Sat Apr 04, 2020 7:06 pm

Dalmd88 wrote:
You also missed the transponder antennas. They are real flat ovals. One is right above the 'B'. The other is on the fwd belly. the work with the TCAS system.

The flat oval antenna above the "B" is the TCAS antenna. Transponder antennas (the same as DME antennas) are usually tiny shark-fins which stick out a couple of inches.
 
SIDDHARTH05
Posts: 6
Joined: Thu Apr 02, 2020 2:12 pm

Re: A320 antenna locations

Sun Apr 05, 2020 2:37 pm

stephen88 wrote:
From the image...

Image

Are these correct? And can you fill in the unknowns?

Many thanks.

1. VHF1
2. SatCom
3. VHF2
4. VHF3
5. ???
6. ELT
7. ???

The 5th one looks like TCAS.

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