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- WAAS Upgrades For Garmin 400 & 500 Series
need to be returned to Garmin which will take approximately
7 to 10 working days.
- The approximate cost for this upgrade is $1,500.00
and approximately $500.00 in labor. This is not a
absolute cost and your costs could be more depending
on the scope of work for your aircraft, you will be
billed by the hours spent to complete the job.
- Your aircraft will need a GPS antenna change
and the potential for new coax added depending on
your original installation.
- If your original installation has external annunciators
then we will need to change these as well. The cost
for most annunciators is $650.00. We will also need
to install additional wiring on a by-the-hour basis.
- If your aircraft is not on Garmin's approved
model list then additional costs will be incurred
for paperwork. Check with your Garmin dealer for the
approved model list.
- If you own a Cirrus aircraft with an Avidyne
display then your WAAS upgrade will not play with
your PFD. Avidyne is currently working on a software
upgrade so that your PFD will give you vertical guidance.
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