MGL transponder interface

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peterc12345
Posts: 4
Joined: Fri Jun 04, 2021 1:56 am

MGL transponder interface

Post by peterc12345 »

Hi all.

I'm just in the process of getting my head around the requirments for installation of a Trig TT21, coupled with an SP12 GPS, via the MGL interface to an iEFIS lite.

My question is (probably a really dumb one), will the iEFIS provide the TT21 with an altitude via CAN or do we still need to plumb the static port on the TT21 into the aircraft static system.

Thanks in advance.

Cheers.

Peter.
bvolcko
Posts: 31
Joined: Wed Sep 02, 2020 12:03 pm

Re: MGL transponder interface

Post by bvolcko »

Yes. I have a Sandia transponder that gets its altitude from the efis lite
iEFIS Discovery Lite
in a Xenos motor glider
peterc12345
Posts: 4
Joined: Fri Jun 04, 2021 1:56 am

Re: MGL transponder interface

Post by peterc12345 »

Thanks for your reply. Let's hope that works.
rainier
Site Admin
Posts: 662
Joined: Fri Aug 28, 2020 7:03 pm

Re: MGL transponder interface

Post by rainier »

The transponder gets all it needs via the CAN bus from the other devices including pressure altitude for the encoder.
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