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Clarification on Callouts for non-TAWS IFDs

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jimmyz80 View Drop Down
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    Posted: 31 Oct 2024 at 10:44pm
For some reason I remember hearing or reading a long time ago that IFDs would behave identically and provide the same callouts whether the TAWS feature was purchased or not. I also asked an Avidyne employee about this recently at the Cirrus Migration expo and he said he was pretty sure I'd get the TAWS callouts even without the TAWS license.

I'm confused though, since the pilot guide seems to imply that I shouldn't get PDA, EDR, or NCR callouts from my non-TAWS IFD540. The root of all of this, is that my Cirrus was originally equipped with the Honeywell EGPWS system, which does provide these callouts. For the last year or so I've kept that system disabled, and enabled FLTA on my IFD so all of my callouts come from one piece of equipment.

Am I missing some capabilities by doing this?


2006 Cirrus SR22 - IFD540 IFD440 DFC90 AXP322 MLB100
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jimmyz80 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jimmyz80 Quote  Post ReplyReply Direct Link To This Post Posted: 03 Dec 2024 at 1:00am
Just bumping this one for some clarification. :)
2006 Cirrus SR22 - IFD540 IFD440 DFC90 AXP322 MLB100
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dmtidler View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dmtidler Quote  Post ReplyReply Direct Link To This Post Posted: 03 Dec 2024 at 10:25am
Originally posted by jimmyz80 jimmyz80 wrote:

For some reason I remember hearing or reading a long time ago that IFDs would behave identically and provide the same callouts whether the TAWS feature was purchased or not. I also asked an Avidyne employee about this recently at the Cirrus Migration expo and he said he was pretty sure I'd get the TAWS callouts even without the TAWS license.

I'm confused though, since the pilot guide seems to imply that I shouldn't get PDA, EDR, or NCR callouts from my non-TAWS IFD540. The root of all of this, is that my Cirrus was originally equipped with the Honeywell EGPWS system, which does provide these callouts. For the last year or so I've kept that system disabled, and enabled FLTA on my IFD so all of my callouts come from one piece of equipment.

Am I missing some capabilities by doing this?


I believe the TAWS option needs to be purchased / activated to get the PDA, EDR, and NCR callouts. All of the other FLTA and altitude callouts come standard with the F500 option.
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AviSteve View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote AviSteve Quote  Post ReplyReply Direct Link To This Post Posted: 12 hours 56 minutes ago at 10:30pm
Originally posted by dmtidler dmtidler wrote:

Originally posted by jimmyz80 jimmyz80 wrote:

For some reason I remember hearing or reading a long time ago that IFDs would behave identically and provide the same callouts whether the TAWS feature was purchased or not. I also asked an Avidyne employee about this recently at the Cirrus Migration expo and he said he was pretty sure I'd get the TAWS callouts even without the TAWS license.

I'm confused though, since the pilot guide seems to imply that I shouldn't get PDA, EDR, or NCR callouts from my non-TAWS IFD540. The root of all of this, is that my Cirrus was originally equipped with the Honeywell EGPWS system, which does provide these callouts. For the last year or so I've kept that system disabled, and enabled FLTA on my IFD so all of my callouts come from one piece of equipment.

Am I missing some capabilities by doing this?


I believe the TAWS option needs to be purchased / activated to get the PDA, EDR, and NCR callouts. All of the other FLTA and altitude callouts come standard with the F500 option.
Confirmed.   With F500, it's just FLTA and altitude callouts.  For the others, TAWS option must be purchased.
Steve Lindsley
Avidyne Engineering
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