Caldwelldr Posted June 3, 2020 Report Share Posted June 3, 2020 My M20J had an early G5 AI installed before the G5 HSI was approved for AP coupling. Can I install a GI 275 HSI w/o replacing the G5 AI. Quote Link to comment Share on other sites More sharing options...
Niko182 Posted June 3, 2020 Report Share Posted June 3, 2020 2 minutes ago, Caldwelldr said: My M20J had an early G5 AI installed before the G5 HSI was approved for AP coupling. Can I install a GI 275 HSI w/o replacing the G5 AI. Unless you have a king or century autopilot, it doesnt really make sense to install a gi275. The g5 hsi is way cheaper than the gi275, but if you want it can be done. 1 Quote Link to comment Share on other sites More sharing options...
Caldwelldr Posted June 3, 2020 Author Report Share Posted June 3, 2020 7 minutes ago, Niko182 said: Unless you have a king or century autopilot, it doesnt really make sense to install a gi275. The g5 hsi is way cheaper than the gi275, but if you want it can be done. I have an STEC 30 & want to install a Garmin 175 GPS. The GI 275 will couple to my King KX155. Quote Link to comment Share on other sites More sharing options...
louisut Posted June 4, 2020 Report Share Posted June 4, 2020 (edited) 23 hours ago, Caldwelldr said: I have an STEC 30 & want to install a Garmin 175 GPS. The GI 275 will couple to my King KX155. Are you sure? The KX155 is a navcomm and doesn't talk with the G5 or GI 275. Edit: ah, you're right. I forgot about that. A G5 will drive a STEC 30 if you install a GAD29b, though you'll also need a GPS navigator. Edited June 4, 2020 by louisut Quote Link to comment Share on other sites More sharing options...
Caldwelldr Posted June 4, 2020 Author Report Share Posted June 4, 2020 (edited) I believe the GI 275 HSI will couple to KX-155 Nav/ILS & the Garmin 175 GPS. Also the Garmin 175 GPS is full panel mounted WAAS receiver w/LPV approach capability. Edited June 4, 2020 by Caldwelldr 1 Quote Link to comment Share on other sites More sharing options...
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