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767333ER
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Airbus A320 RA Callout Question

Wed Jun 13, 2018 8:41 pm

So typically the A320 (and Airbuses newer than it) has the well known deep British altitude callout voice for the radio altimeter, however older MSNs tend to be likely to have the old A300 style callouts which is a higher pitched and much stranger sounding voice and accompanying that a slightly different cavalry charge sound and slightly different chirps when the ILS mode changes for example.

Getting to the point, I always imagined there was some point where there was a switch from the older voice to the newer one much like the switch from Honeywell MCP to Collins MCP on the 737NG, but then I realised at Air Canada for example that FIN 257 which is which is MSN 672 has the presumably newer callouts, but much newer FIN 287 which is MSN 1577, one of the ETOPS birds now moved to Rouge, has the older callouts. Why would this be the case? Was one optional equipment at one point?
Been on: 732 733 734 73G 738 752 763 A319 A320 A321 CRJ CR7 CRA/CR9 E145 E175 E190 F28 MD-82 MD-83 C172R C172S P2006T
 
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zeke
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Re: Airbus A320 RA Callout Question

Thu Jun 14, 2018 6:44 am

My guess is just a different EGPWS installed.
Human rights lawyers are "ambulance chasers of the very worst kind.'" - Sky News
 
BoeingGuy
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Re: Airbus A320 RA Callout Question

Thu Jun 14, 2018 8:47 pm

zeke wrote:
My guess is just a different EGPWS installed.


I believe the ACSS Ground Prox system is installed on newer A32x airplanes. Older airplanes were delivered with Honeywell EGPWS.
 
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zeke
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Re: Airbus A320 RA Callout Question

Thu Jun 14, 2018 11:57 pm

There were multiple vendors, initially they had a separate EGPWS LRU, around 2005 most aircraft were installed with a single LRU that combines EGPWS and TCAS, called T2CAS, since around 2013 T3CAS was installed. There were multiple vendors offering these LRUs.

By applying different service bulletins operators can upgrade their systems while in service.
Human rights lawyers are "ambulance chasers of the very worst kind.'" - Sky News
 
greg85
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Re: Airbus A320 RA Callout Question

Fri Jun 15, 2018 12:27 pm

Far more fun that this, is the TCAS voice. Over the years I’d become accustomed to hearing an American man say “traffic, traffic” every now and then. But then one day (a couple of years ago), out of nowhere I heard the voice of an English woman saying “traffic, traffic”. She’s so calm about it in comparison to the American she replaced. It took a moment for us to get over the shock, I suppose that’s what they call the startle factor.
 
Redbellyguppy
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Re: Airbus A320 RA Callout Question

Tue Jun 19, 2018 9:27 am

The nice lady in the ejets says "landing geah"
 
BoeingGuy
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Re: Airbus A320 RA Callout Question

Wed Jun 20, 2018 1:52 am

zeke wrote:
There were multiple vendors, initially they had a separate EGPWS LRU, around 2005 most aircraft were installed with a single LRU that combines EGPWS and TCAS, called T2CAS, since around 2013 T3CAS was installed. There were multiple vendors offering these LRUs.

By applying different service bulletins operators can upgrade their systems while in service.


T2CAS and T3CAS are made by ACSS as I referred to in my previous post. There aren’t multiple vendors for that.

Honeywell makes EGPWS. EGPWS is a trademarked term by Honeywell. GPWS and TAWS are generic industry terms.

Every Boeing model is delivered with EGPWS, except the KC-46 which has T3CAS. Some airlines have retrofit T3CAS on their Boeing fleet. AM is one.
 
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zeke
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Re: Airbus A320 RA Callout Question

Wed Jun 20, 2018 4:20 am

The vendors to supply ground and airborne surveillance equipment for the A320 are Thalas, Honeywell, and Rockwell Collins.

Log into Airbus World to see the catalogue.
Human rights lawyers are "ambulance chasers of the very worst kind.'" - Sky News
 
BoeingGuy
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Re: Airbus A320 RA Callout Question

Wed Jun 20, 2018 6:56 am

zeke wrote:
The vendors to supply ground and airborne surveillance equipment for the A320 are Thalas, Honeywell, and Rockwell Collins.

Log into Airbus World to see the catalogue.


ACSS is part of Thalas. I think it’s a joint venture with L3 and Thalas. Again, ACSS supplies the T3CAS system on the A32x series and it’s optional on the A330. That box has Transponder, TCAS, and TAWS in it. “T3CAS”, get it?

T3CAS is also baseline on the KC-46, ATR series, and a number of military platforms.

The Thalas/ACSS TAWS system has an additional alert that Honeywell EGPWS does not have called AVOID TERRAIN or AVOID OBSTACLE.

Although T3CAS has the Reactive Windsher function, and is used on the KC-46, my understanding is that it’s not activated on the A32x and they have a different Reactive Windshear detection system.
 
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zeke
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Re: Airbus A320 RA Callout Question

Wed Jun 20, 2018 8:00 am

You still don’t get it, you don’t have to have go with Thales, you can get the same basic functionality with Honeywell or Rockwell Collins. I have repeated myself a number of times, owners can customise the aircraft the way they want with equipment from different vendors. The catalog is available on Airbus World.

For example a Honeywell TPA-100 TCAS processor and EGPWS solution.
Human rights lawyers are "ambulance chasers of the very worst kind.'" - Sky News
 
BoeingGuy
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Re: Airbus A320 RA Callout Question

Wed Jun 20, 2018 5:44 pm

zeke wrote:
You still don’t get it, you don’t have to have go with Thales, you can get the same basic functionality with Honeywell or Rockwell Collins. I have repeated myself a number of times, owners can customise the aircraft the way they want with equipment from different vendors. The catalog is available on Airbus World.

For example a Honeywell TPA-100 TCAS processor and EGPWS solution.


I work with the system and supplier, but okay I don’t get it. Suit yourself.

BTW, Rockwell-Collins doesn’t make a GPWS system.
 
BoeingGuy
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Re: Airbus A320 RA Callout Question

Thu Jun 21, 2018 6:34 pm

zeke wrote:
You still don’t get it, you don’t have to have go with Thales, you can get the same basic functionality with Honeywell or Rockwell Collins. I have repeated myself a number of times, owners can customise the aircraft the way they want with equipment from different vendors. The catalog is available on Airbus World.

For example a Honeywell TPA-100 TCAS processor and EGPWS solution.


Here is a news release of what I don’t get. :)

https://www.google.com/amp/s/www.ainonl ... mily%3famp

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