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Garmin GNS 430 WAAS Upgrade Questions

 
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ronlee(at)pcisys.net
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PostPosted: Tue Apr 10, 2007 7:40 pm    Post subject: Garmin GNS 430 WAAS Upgrade Questions Reply with quote

From Garmin I learned the following (hopefully all is correct)

1) Turnaround time is one week

2) Terrain/obstacle functionality is included in the $1500 price. Price
may increase some time next year (TBD).

3) Primary nav software may be out 3rd quarter of 2007

4) New antenna and coax are included

5) Retains the current mounting tray

6) May require autopilot wiring change/addition

Quote:
From Jeppesen the database renewals use the same JSUM software and
Skybound adapter. Annual cost increases from $375 to $410


My question from anyone who has made the upgrade is it really a remove
and replace situation? Will it still drive my Trio wing leveler
autopilot with no wiring changes? Is the possible autpipilot wiring
change if you have altitude autopilot? Any other issues that may affect
a decision to upgrade?

Ron Lee

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Stu McCurdy



Joined: 10 Jan 2006
Posts: 5
Location: Round Rock, TX

PostPosted: Wed Apr 11, 2007 6:19 am    Post subject: Garmin GNS 430 WAAS Upgrade Questions Reply with quote

I recently had the wiring of my Garmin 420 to the Indicator done in preparation for the WAAS Upgrade. I had to have 4 wires (2 Glide Slope and 2 Vertical Flag) wires installed. After install, during the self test after start up, my Garmin 420 nows shows the normal half left needle BUT ALSO a half up needle and both flags disappear. With that wiring done, my unit can now be sent in for the upgrade and new cable and antenna, and will slide into the same tray. In talking with someone who has already had it done, he says that he now gets vertical guidance during a GPS approach.

Stu McCurdy
RV-8 Flying
-----------------------------------
From: ronlee(at)pcisys.net
Subject: Garmin GNS 430 WAAS Upgrade Questions

From Garmin I learned the following (hopefully all is correct)
1) Turnaround time is one week
2) Terrain/obstacle functionality is included in the $1500 price. Price
may increase some time next year (TBD).
3) Primary nav software may be out 3rd quarter of 2007
4) New antenna and coax are included
5) Retains the current mounting tray
6) May require autopilot wiring change/addition

Quote:
From Jeppesen the database renewals use the same JSUM software and
Skybound adapter. Annual cost increases from $375 to $410


My question from anyone who has made the upgrade is it really a remove
an d repl ace situation? Will it still drive my Trio wing leveler
autopilot with no wiring changes? Is the possible autpipilot wiring
change if you have altitude autopilot? Any other issues that may affect
a decision to upgrade?

Ron Lee

[quote][b]


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ronlee(at)pcisys.net
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PostPosted: Wed Apr 11, 2007 7:50 am    Post subject: Garmin GNS 430 WAAS Upgrade Questions Reply with quote

Stu, I already have an indicator for the ILS functionality. Are you
saying that the vertical guidance from WAAS needs a separate wire? I
know that I get horizontal/lateral guidance from GPS positioning on my
indicator so at least that seems to be the same wire(s).

My guess (without pinout info) is that I already have the vertical part
connected.

Will you have to go through a dealer or do the upgrade yourself?

Ron
Lee

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